Motors Liquidation Co
Motors LiqActive Patents
0
Total Holdings
614
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB1292769A | Vehicle wheel slip limiters | Expired / Lapsed | 1971-06-17 | — | 0 | Details |
| GB1008228A | Remotely-adjustable rear-view mirror assemblies | Expired / Lapsed | 1964-09-03 | — | 0 | Details |
| GB733417A | Improvements in turbine machines and particularly gas turbi… | Expired / Lapsed | 1951-12-19 | — | 0 | Details |
| US5239860A | Sensor for measuring alcohol content of alcohol/gasoline fu… | Expired / Lapsed | 1991-05-13 | 1993-08-31 | 22 | Details |
| US4902352A | Paint color change system | Expired / Lapsed | 1988-05-19 | 1990-02-20 | 6 | Details |
| US4881563A | Paint color change system | Expired / Lapsed | 1986-09-05 | 1989-11-21 | 4 | Details |
| US4835832A | Method of assembling tubular shaft assemblies | Expired / Lapsed | 1988-06-24 | 1989-06-06 | 17 | Details |
| US4714740A | Low coefficient of friction nylon blend | Expired / Lapsed | 1986-07-14 | 1987-12-22 | 2 | Details |
| US4582185A | Controlled capacity torque converter clutch | Expired / Lapsed | 1984-02-15 | 1986-04-15 | 14 | Details |
| US4543823A | Microwave probe for detecting oil level | Expired / Lapsed | 1984-11-15 | 1985-10-01 | 6 | Details |
| US4504247A | Control mechanism for a variable ratio drive system | Expired / Lapsed | 1983-06-08 | 1985-03-12 | 6 | Details |
| US4492384A | Sealing arrangement | Expired / Lapsed | 1983-04-25 | 1985-01-08 | 4 | Details |
| US4413838A | Passenger restraint system | Expired / Lapsed | 1981-11-13 | 1983-11-08 | 6 | Details |
| US4410611A | Hard and adherent layers from organic resin coatings | Expired / Lapsed | 1983-01-31 | 1983-10-18 | 21 | Details |
| US4386752A | Hinged collar clip | Expired / Lapsed | 1981-03-13 | 1983-06-07 | 9 | Details |
| US4374717A | Plasma polymerized interfacial coatings for improved adhesi… | Expired / Lapsed | 1981-11-05 | 1983-02-22 | 4 | Details |
| US4333147A | Multiplexed inductive automated guidance for moving vehicles | Expired / Lapsed | 1980-05-13 | 1982-06-01 | 6 | Details |
| US4306701A | Rear view mirror mounting arrangement | Expired / Lapsed | 1979-09-11 | 1981-12-22 | 4 | Details |
| US4271402A | Motor vehicle diagnostic and monitoring device having keep … | Expired / Lapsed | 1979-08-29 | 1981-06-02 | 6 | Details |
| US4254433A | Visual motion tracking system | Expired / Lapsed | 1979-06-25 | 1981-03-03 | 8 | Details |
| US4245611A | Ceramic insulated engine pistons | Expired / Lapsed | 1978-09-05 | 1981-01-20 | 4 | Details |
| US4207002A | Apparatus for detecting an output image of an optical corre… | Expired / Lapsed | 1978-12-18 | 1980-06-10 | 2 | Details |
| US4200063A | Engine fuel injection control apparatus with simultaneous p… | Expired / Lapsed | 1978-03-20 | 1980-04-29 | 4 | Details |
| US4142612A | Servo motor with differential pressure controlled and actua… | Expired / Lapsed | 1977-09-21 | 1979-03-06 | 4 | Details |
| US4123023A | System for controlling vehicle movement over a fixed guidew… | Expired / Lapsed | 1977-10-03 | 1978-10-31 | 6 | Details |
| US4123729A | Displacement transducer | Expired / Lapsed | 1977-07-22 | 1978-10-31 | 12 | Details |
| US4076774A | Dual-walled microcapsules and a method of forming same | Expired / Lapsed | 1976-02-27 | 1978-02-28 | 8 | Details |
| US4045650A | Jumper touch sensor current switching device | Expired / Lapsed | 1976-01-29 | 1977-08-30 | 10 | Details |
| US4045062A | Electric cranking motor automatic disconnect and lockout ci… | Expired / Lapsed | 1975-12-17 | 1977-08-30 | 4 | Details |
| US4041723A | Room air conditioner with timer | Expired / Lapsed | 1976-11-03 | 1977-08-16 | 5 | Details |
| US3998191A | Engine speed limiting control circuit | Expired / Lapsed | 1975-03-27 | 1976-12-21 | 6 | Details |
| US3998991A | Transparent abrasion-resistant coating for a styrene acrylo… | Expired / Lapsed | 1974-03-29 | 1976-12-21 | 18 | Details |
| US3949714A | Fuel-air metering and induction system | Expired / Lapsed | 1974-04-22 | 1976-04-13 | 10 | Details |
| US3936071A | Steering system monitoring apparatus and procedure | Expired / Lapsed | 1975-02-10 | 1976-02-03 | 10 | Details |
| US3896409A | Liquid level sensor for corrosive baths | Expired / Lapsed | 1974-10-18 | 1975-07-22 | 6 | Details |
| US3884583A | Method and apparatus for magnetically modulated resonance a… | Expired / Lapsed | 1973-05-03 | 1975-05-20 | 8 | Details |
| US3866166A | Digital multigage for motor vehicle | Expired / Lapsed | 1974-04-09 | 1975-02-11 | 10 | Details |
| US3855843A | Surface finish measuring gauge | Expired / Lapsed | 1973-05-31 | 1974-12-24 | 6 | Details |
| US3852623A | Timing circuit | Expired / Lapsed | 1973-07-12 | 1974-12-03 | 4 | Details |
| US3817099A | Mass flow air meter | Expired / Lapsed | 1972-08-09 | 1974-06-18 | 2 | Details |
| US3814861A | Vehicle multiplex circuit having function priority | Expired / Lapsed | 1972-10-13 | 1974-06-04 | 4 | Details |
| US3784839A | Anti-theft apparatus including turnover mode of operation | Expired / Lapsed | 1972-07-12 | 1974-01-08 | 4 | Details |
| US3783846A | Internal combustion engine ignition spark vacuum advance sy… | Expired / Lapsed | 1971-11-30 | 1974-01-08 | 2 | Details |
| US3775591A | Oven heater element control circuit | Expired / Lapsed | 1972-12-26 | 1973-11-27 | 4 | Details |
| US3762070A | Spinal column simulator | Expired / Lapsed | 1972-10-30 | 1973-10-02 | 8 | Details |
| US3755776A | Vehicle operation inhibitor control system | Expired / Lapsed | 1972-04-07 | 1973-08-28 | 9 | Details |
| US3752280A | Constant speed differential fluid clutch | Expired / Lapsed | 1971-12-22 | 1973-08-14 | 2 | Details |
| US3748048A | Method of detecting changes of a specular surface | Expired / Lapsed | 1971-11-01 | 1973-07-24 | 8 | Details |
| US3732566A | Continuous wave ranging radar | Expired / Lapsed | 1971-10-12 | 1973-05-08 | 6 | Details |
| US3730217A | Check valve | Expired / Lapsed | 1971-05-19 | 1973-05-01 | 4 | Details |
| US3730596A | Brake control system and vehicle having same | Expired / Lapsed | 1971-04-21 | 1973-05-01 | 6 | Details |
| US3727941A | Automobile levelizer control unit | Expired / Lapsed | 1971-12-08 | 1973-04-17 | 8 | Details |
| US3726133A | Flexible torque transmitting unit | Expired / Lapsed | 1971-07-13 | 1973-04-10 | 13 | Details |
| US3718881A | Detachable fastening clip | Expired / Lapsed | 1972-03-27 | 1973-02-27 | 8 | Details |
| US3705639A | Automatic re-engage circuit for an electronic speed control… | Expired / Lapsed | 1971-07-09 | 1972-12-12 | 6 | Details |
| US3703186A | Flow divider control valve assembly | Expired / Lapsed | 1971-08-12 | 1972-11-21 | 8 | Details |
| US3702207A | Fluid pressure proportioning unit | Expired / Lapsed | 1970-11-10 | 1972-11-07 | 0 | Details |
| US3701085A | Electrical connector assembly | Expired / Lapsed | 1971-02-18 | 1972-10-24 | 4 | Details |
| US3699805A | Ultrasonic testing apparatus | Expired / Lapsed | 1968-07-26 | 1972-10-24 | 12 | Details |
| US3691396A | Electronic combination door and ignition lock | Expired / Lapsed | 1971-08-09 | 1972-09-12 | 6 | Details |
| US3671085A | Antilock brake modulator | Expired / Lapsed | 1970-10-12 | 1972-06-20 | 0 | Details |
| US3660814A | Vehicle condition responsive monitoring system | Expired / Lapsed | 1970-11-20 | 1972-05-02 | 8 | Details |
| US3659480A | Vehcile power train | Expired / Lapsed | 1970-07-06 | 1972-05-02 | 6 | Details |
| US3657720A | Remote engine start and stop system | Expired / Lapsed | 1970-06-01 | 1972-04-18 | 9 | Details |
| US3647017A | Electronic cruise control system | Expired / Lapsed | 1969-09-11 | 1972-03-07 | 10 | Details |
| US3645111A | Refrigerating system with osmotic membrane | Expired / Lapsed | 1970-10-30 | 1972-02-29 | 8 | Details |
| US3643526A | Ignition timing and throttle position control | Expired / Lapsed | 1970-09-28 | 1972-02-22 | 7 | Details |
| US3630046A | Damper control | Expired / Lapsed | 1970-02-02 | 1971-12-28 | 8 | Details |
| US3626935A | Surgical nail extractor | Expired / Lapsed | 1969-08-12 | 1971-12-14 | 8 | Details |
| US3619530A | Doorjamb switch | Expired / Lapsed | 1970-04-30 | 1971-11-09 | 8 | Details |
| US3605260A | Method of making multilayer printed circuits | Expired / Lapsed | 1968-11-12 | 1971-09-20 | 0 | Details |
| US3601463A | Refrigerator cabinet encompassing a range of refrigerator v… | Expired / Lapsed | 1970-05-22 | 1971-08-24 | 6 | Details |
| US3587545A | Fuel pump safety circuitry | Expired / Lapsed | 1969-08-04 | 1971-06-28 | 0 | Details |
| US3581852A | Engine and parking brake controlled by transmission ratio a… | Expired / Lapsed | 1969-10-17 | 1971-06-01 | 4 | Details |
| US3580350A | Vehicle power unit and drive train | Expired / Lapsed | 1969-01-23 | 1971-05-25 | 9 | Details |
| US3579199A | Method and apparatus for fault testing a digital computer m… | Expired / Lapsed | 1969-02-03 | 1971-05-18 | 12 | Details |
| US3577121A | Brake fluid level switch | Expired / Lapsed | 1969-11-10 | 1971-05-04 | 12 | Details |
| US3575375A | Rear view mirror assembly | Expired / Lapsed | 1969-09-08 | 1971-04-20 | 8 | Details |
| US3565972A | Structural adhesives from urethane prepolymers,polyepoxides… | Expired / Lapsed | 1968-02-26 | 1971-02-23 | 0 | Details |
| US3552763A | Interconnected vehicle suspension with pitch displacement a… | Expired / Lapsed | 1968-08-22 | 1971-01-05 | 0 | Details |
| US3534396A | Computer-aided graphical analysis | Expired / Lapsed | 1965-10-27 | 1970-10-13 | 0 | Details |
| US3525190A | Refrigerator door trim and panel mounting strip | Expired / Lapsed | 1968-10-28 | 1970-08-25 | 0 | Details |
| US3509765A | Inertial navigation system | Expired / Lapsed | 1965-12-17 | 1970-05-05 | 0 | Details |
| US3496932A | Method and apparatus for substernal cardiac massage | Expired / Lapsed | 1967-12-22 | 1970-02-24 | 0 | Details |
| US3490312A | Expansible chamber device with hydrodynamic bearing pump an… | Expired / Lapsed | 1968-05-31 | 1970-01-20 | 0 | Details |
| US3487730A | Machine tool feed control | Expired / Lapsed | 1966-12-12 | 1970-01-06 | 0 | Details |
| US3483337A | Six-way rotary inclined plane centering switch | Expired / Lapsed | 1967-01-06 | 1969-12-09 | 0 | Details |
| US3448640A | Electrical control for automatic transmission | Expired / Lapsed | 1967-06-30 | 1969-06-10 | 0 | Details |
| US3443182A | System for operating alternating current induction type mot… | Expired / Lapsed | 1966-09-20 | 1969-05-06 | 0 | Details |
| US3441104A | Vehicle speed transducer | Expired / Lapsed | 1967-08-29 | 1969-04-29 | 0 | Details |
| US3440657A | Multichannel multiplex communication system using pulse wid… | Expired / Lapsed | 1965-08-05 | 1969-04-22 | 0 | Details |
| US3433536A | Regulated anti-lock braking system | Expired / Lapsed | 1967-10-11 | 1969-03-18 | 0 | Details |
| US3430336A | Method of making a thermistor | Expired / Lapsed | 1965-09-15 | 1969-03-04 | 0 | Details |
| US3425657A | Vehicle rear view mirror assembly | Expired / Lapsed | 1967-02-27 | 1969-02-04 | 0 | Details |
| US3423581A | Remote illumination apparatus | Expired / Lapsed | 1966-10-26 | 1969-01-21 | 0 | Details |
| US3412556A | Master cylinder assembly | Expired / Lapsed | 1966-10-10 | 1968-11-26 | 0 | Details |
| US3407749A | Motor for propulsion and load support | Expired / Lapsed | 1966-08-31 | 1968-10-29 | 0 | Details |
| US3403533A | Refrigerator with upright dividing wall | Expired / Lapsed | 1966-10-07 | 1968-10-01 | 0 | Details |
| US3396870A | Mechanical metal pouring control system and components ther… | Expired / Lapsed | 1967-01-03 | 1968-08-13 | 0 | Details |
| US3383953A | Power train | Expired / Lapsed | 1965-09-29 | 1968-05-21 | 0 | Details |
| US3375677A | Method and apparatus for maintaining high humidity in a fro… | Expired / Lapsed | 1967-01-03 | 1968-04-02 | 0 | Details |
| US3374394A | Time delay control for lighting circuit | Expired / Lapsed | 1965-08-20 | 1968-03-19 | 0 | Details |
| US3372393A | Radio remote control system | Expired / Lapsed | 1965-04-05 | 1968-03-05 | 0 | Details |
| US3371179A | Electrical switch having a floating actuator which is deten… | Expired / Lapsed | 1966-11-22 | 1968-02-27 | 0 | Details |
| US3368046A | Brake fluid level indicator system | Expired / Lapsed | 1966-03-04 | 1968-02-06 | 0 | Details |
| US3352524A | Remotely adjustable rear view mirror | Expired / Lapsed | 1965-12-23 | 1967-11-14 | 2 | Details |
| US3343564A | Ball check valve having particular spring means | Expired / Lapsed | 1964-12-08 | 1967-09-26 | 2 | Details |
| US3338328A | Steering control system | Expired / Lapsed | 1966-08-08 | 1967-08-29 | 2 | Details |
| US3338637A | Wheel slip control type brake anti-skid system | Expired / Lapsed | 1966-02-02 | 1967-08-29 | 2 | Details |
| US3334854A | Sunshade support assembly | Expired / Lapsed | 1966-05-12 | 1967-08-08 | 2 | Details |
| US3331761A | Photopolymerization of acrylic resins using ultraviolet lig… | Expired / Lapsed | 1964-06-25 | 1967-07-18 | 2 | Details |
| US3323389A | Live axle | Expired / Lapsed | 1964-11-30 | 1967-06-06 | 2 | Details |
| US3319733A | Vehicle speed responsive control system | Expired / Lapsed | 1965-07-16 | 1967-05-16 | 2 | Details |
| US3312936A | Electrical fluid level indicating system | Expired / Lapsed | 1964-04-10 | 1967-04-04 | 2 | Details |
| US3312423A | Inertial guidance system with stellar correction | Expired / Lapsed | 1962-09-10 | 1967-04-04 | 2 | Details |
| US3306339A | Gas furnace ignition control system | Expired / Lapsed | 1964-06-05 | 1967-02-28 | 2 | Details |
| US3303471A | Data collecting and recording device | Expired / Lapsed | 1963-08-26 | 1967-02-07 | 2 | Details |
| US3303386A | Transient overvoltage and overload protection circuit | Expired / Lapsed | 1963-05-07 | 1967-02-07 | 2 | Details |
| US3301161A | Motor vehicle body ventilation systems | Expired / Lapsed | 1964-12-04 | 1967-01-31 | 2 | Details |
| US3301242A | Ignition timing device | Expired / Lapsed | 1964-08-13 | 1967-01-31 | 2 | Details |
| US3299344A | Full wave voltage control system for heating load | Expired / Lapsed | 1964-03-11 | 1967-01-17 | 2 | Details |
| US3299345A | Voltage control system for heating loads | Expired / Lapsed | 1963-04-29 | 1967-01-17 | 2 | Details |
| US3293455A | Electrical apparatus employing fourlayer diode and thermist… | Expired / Lapsed | 1963-04-29 | 1966-12-20 | 2 | Details |
| US3291245A | Vehicle variable ratio steering system | Expired / Lapsed | 1964-07-31 | 1966-12-13 | 2 | Details |
| US3291650A | Control of crystal size | Expired / Lapsed | 1963-12-23 | 1966-12-13 | 2 | Details |
| US3288947A | Pivotable and reciprocating six-way rotary seat adjuster | Expired / Lapsed | 1964-09-29 | 1966-11-29 | 2 | Details |
| US3288239A | Adjustable toeboard and control pedal for vehicles | Expired / Lapsed | 1964-05-25 | 1966-11-29 | 2 | Details |
| US3287611A | Controlled conducting region geometry in semiconductor devi… | Expired / Lapsed | 1961-08-17 | 1966-11-22 | 2 | Details |
| US3283314A | Low fuel warning system | Expired / Lapsed | 1963-12-18 | 1966-11-01 | 2 | Details |
| US3268664A | Automatic channel selector for communication systems | Expired / Lapsed | 1962-10-10 | 1966-08-23 | 2 | Details |
| US3266302A | Displacement measuring means | Expired / Lapsed | 1965-06-09 | 1966-08-16 | 2 | Details |
| US3265450A | Roller track apparatus | Expired / Lapsed | 1963-10-17 | 1966-08-09 | 2 | Details |
| US3262332A | Telescopeable steering assembly | Expired / Lapsed | 1965-03-19 | 1966-07-26 | 2 | Details |
| US3260912A | Power amplifier employing pulse duration modulation | Expired / Lapsed | 1963-06-19 | 1966-07-12 | 1 | Details |
| US3252313A | Electromagnetic forming method and apparatus | Expired / Lapsed | 1964-12-21 | 1966-05-24 | 2 | Details |
| US3243724A | Method of operating a laser by controlling regenerative act… | Expired / Lapsed | 1963-01-09 | 1966-03-29 | 2 | Details |
| US3237404A | Re-expansion gas turbine engine with power transfer between… | Expired / Lapsed | 1965-05-03 | 1966-03-01 | 2 | Details |
| US3235025A | Collision prevention system | Expired / Lapsed | 1964-04-20 | 1966-02-15 | 2 | Details |
| US3223963A | Electrical connector | Expired / Lapsed | 1963-05-22 | 1965-12-14 | 1 | Details |
| US3220206A | Refrigerating apparatus including means to indicate power f… | Expired / Lapsed | 1963-07-05 | 1965-11-30 | 0 | Details |
| US3221182A | Transistorized power inverter | Expired / Lapsed | 1961-01-23 | 1965-11-30 | 0 | Details |
| US3216522A | Vehicle speed maintaining control system and method | Expired / Lapsed | 1963-08-28 | 1965-11-09 | 2 | Details |
| US3215818A | Temperature control electric circuit | Expired / Lapsed | 1963-04-29 | 1965-11-02 | 1 | Details |
| US3211411A | Vehicle seat | Expired / Lapsed | 1964-03-19 | 1965-10-12 | 2 | Details |
| US3210030A | Wiring harness installation | Expired / Lapsed | 1963-01-07 | 1965-10-05 | 0 | Details |
| FR1408068A | Adjustable rear view mirror for vehicle | Expired / Lapsed | 1964-09-17 | 1965-08-06 | 0 | Details |
| US3198279A | Passive guidance system | Expired / Lapsed | 1962-07-09 | 1965-08-03 | 2 | Details |
| US3198334A | Filter for a dry cleaning apparatus | Expired / Lapsed | 1962-02-26 | 1965-08-03 | 2 | Details |
| US3188536A | Silicon rectifier encapsulation | Expired / Lapsed | 1960-11-14 | 1965-06-08 | 2 | Details |
| US3184933A | Washing machine with a reciprocatable and rotatable drive m… | Expired / Lapsed | 1963-03-11 | 1965-05-25 | 2 | Details |
| US3183993A | Speed control system | Expired / Lapsed | 1961-06-07 | 1965-05-18 | 2 | Details |
| US3174297A | Refrigerating apparatus with defrost control means | Expired / Lapsed | 1962-12-24 | 1965-03-23 | 2 | Details |
| US3173073A | Battery discharge indicator | Expired / Lapsed | 1960-03-25 | 1965-03-09 | 2 | Details |
| US3171045A | Timer | Expired / Lapsed | 1960-11-25 | 1965-02-23 | 2 | Details |
| US3168659A | Variable focus transducer | Expired / Lapsed | 1960-01-11 | 1965-02-02 | 0 | Details |
| US3161759A | Electric range heater control | Expired / Lapsed | 1961-12-21 | 1964-12-15 | 2 | Details |
| US3160792A | Electric lock | Expired / Lapsed | 1960-02-24 | 1964-12-08 | 1 | Details |
| US3157244A | Vehicle speed warning and cruise control system with preeng… | Expired / Lapsed | 1962-07-23 | 1964-11-17 | 2 | Details |
| US3157828A | Encapsulated printed circuit module with heat transfer means | Expired / Lapsed | 1960-08-11 | 1964-11-17 | 0 | Details |
| US3152463A | Combination agitating means and spinning means with speed c… | Expired / Lapsed | 1963-06-17 | 1964-10-13 | 2 | Details |
| US3152462A | Clothes washing machine and control means therefor | Expired / Lapsed | 1961-12-13 | 1964-10-13 | 1 | Details |
| US3151663A | Inflatable closure apparatus | Expired / Lapsed | 1961-10-27 | 1964-10-06 | 1 | Details |
| US3147744A | Thermal power plant | Expired / Lapsed | 1959-07-27 | 1964-09-08 | 2 | Details |
| US3146038A | Three-axis magnetic suspension | Expired / Lapsed | 1962-02-07 | 1964-08-25 | 2 | Details |
| US3146051A | Terminal and mounting means | Expired / Lapsed | 1960-09-12 | 1964-08-25 | 2 | Details |
| US3137744A | Refrigerating apparatus | Expired / Lapsed | 1961-09-19 | 1964-06-16 | 2 | Details |
| US3130822A | Plastic molding clip | Expired / Lapsed | 1959-09-25 | 1964-04-28 | 0 | Details |
| US3129020A | Tray drainhose nipple | Expired / Lapsed | 1961-04-10 | 1964-04-14 | 0 | Details |
| US3121852A | Ohmic contacts on semiconductors | Expired / Lapsed | 1960-04-18 | 1964-02-18 | 2 | Details |
| US3120108A | Refrigerating apparatus including defrost control | Expired / Lapsed | 1961-03-30 | 1964-02-04 | 1 | Details |
| US3114949A | Fastening device | Expired / Lapsed | 1961-01-10 | 1963-12-24 | 2 | Details |
| US3115225A | Molding strip installation | Expired / Lapsed | 1960-06-29 | 1963-12-24 | 2 | Details |
| US3110158A | Refrigerating apparatus including defrost means | Expired / Lapsed | 1961-05-29 | 1963-11-12 | 2 | Details |
| US3110380A | Clutch | Expired / Lapsed | 1960-07-18 | 1963-11-12 | 2 | Details |
| US3107501A | Defrosting control for refrigerating apparatus | Expired / Lapsed | 1961-06-16 | 1963-10-22 | 2 | Details |
| US3100021A | Manual-automatic cruise control circuit | Expired / Lapsed | 1962-03-16 | 1963-08-06 | 2 | Details |
| US3096728A | High speed land transportation system and vehicle therefor | Expired / Lapsed | 1961-05-01 | 1963-07-09 | 2 | Details |
| US3096994A | Caster and camber adjustment means | Expired / Lapsed | 1959-08-24 | 1963-07-09 | 2 | Details |
| US3093739A | Method for determining fluid flow in a conduit | Expired / Lapsed | 1958-03-10 | 1963-06-11 | 2 | Details |
| US3091486A | Ball joint | Expired / Lapsed | 1960-07-14 | 1963-05-28 | 2 | Details |
| US3090256A | Transmission controls | Expired / Lapsed | 1961-08-30 | 1963-05-21 | 2 | Details |
| US3088337A | Transmission control system | Expired / Lapsed | 1961-03-27 | 1963-05-07 | 2 | Details |
| US3088538A | Vehicle speed warning and cruise control system | Expired / Lapsed | 1960-11-07 | 1963-05-07 | 2 | Details |
| US3088555A | Shock absorber with sleeved piston | Expired / Lapsed | 1959-07-27 | 1963-05-07 | 2 | Details |
| US3085059A | Fuel element for nuclear reactors | Expired / Lapsed | 1958-10-02 | 1963-04-09 | 1 | Details |
| US3081854A | Torque transmitting device | Expired / Lapsed | 1959-08-20 | 1963-03-19 | 2 | Details |
| US3080615A | Commutator and method of attaching same | Expired / Lapsed | 1958-11-17 | 1963-03-12 | 2 | Details |
| US3073522A | Digital counter | Expired / Lapsed | 1959-07-30 | 1963-01-15 | 2 | Details |
| US3070973A | Refrigerating apparatus | Expired / Lapsed | 1961-06-16 | 1963-01-01 | 1 | Details |
| US3070185A | Electronic speed control system | Expired / Lapsed | 1960-10-17 | 1962-12-25 | 0 | Details |
| US3070307A | Cross-wind compensation computer | Expired / Lapsed | 1958-11-28 | 1962-12-25 | 0 | Details |
| US3069645A | Pressure-resistance transducers | Expired / Lapsed | 1960-02-01 | 1962-12-18 | 0 | Details |
| US3060712A | Washing machine having an agitate drive with a flexible cou… | Expired / Lapsed | 1961-07-31 | 1962-10-30 | 0 | Details |
| US3060370A | Displacement transducer | Expired / Lapsed | 1960-02-23 | 1962-10-23 | 0 | Details |
| US3057557A | Transistorized heater control system | Expired / Lapsed | 1959-04-16 | 1962-10-09 | 0 | Details |
| US3055472A | One-way clutches | Expired / Lapsed | 1959-09-30 | 1962-09-25 | 0 | Details |
| US3050956A | Refrigerating apparatus with frost free compartment | Expired / Lapsed | 1960-07-08 | 1962-08-28 | 0 | Details |
| US3048985A | Refrigerating apparatus | Expired / Lapsed | 1960-12-13 | 1962-08-14 | 0 | Details |
| US3049654A | Electric motor driven domestic appliance | Expired / Lapsed | 1958-06-27 | 1962-08-14 | 0 | Details |
| US3048764A | Transistor converter circuit | Expired / Lapsed | 1960-12-20 | 1962-08-07 | 0 | Details |
| US3048718A | Transient responsive protection circuit | Expired / Lapsed | 1959-01-13 | 1962-08-07 | 0 | Details |
| US3048041A | Unbalance indicator | Expired / Lapsed | 1957-02-06 | 1962-08-07 | 0 | Details |
| US3046840A | Remotely controlled rear view mirror | Expired / Lapsed | 1959-08-27 | 1962-07-31 | 0 | Details |
| US3045601A | Mechanical heart pump or the like | Expired / Lapsed | 1953-07-28 | 1962-07-24 | 0 | Details |
| US3043114A | Temperature controls for refrigerating apparatus | Expired / Lapsed | 1961-01-09 | 1962-07-10 | 0 | Details |
| US3044043A | Vehicle signalling apparatus for warning of approaching roa… | Expired / Lapsed | 1958-07-21 | 1962-07-10 | 0 | Details |
| US3037183A | Electric terminal means | Expired / Lapsed | 1958-06-26 | 1962-05-29 | 0 | Details |
| US3034314A | Refrigerating apparatus | Expired / Lapsed | 1961-03-22 | 1962-05-15 | 0 | Details |
| US3034810A | Ball joint assembly for caster and camber adjustment | Expired / Lapsed | 1958-11-03 | 1962-05-15 | 0 | Details |
| US3033319A | Brake adjuster | Expired / Lapsed | 1960-04-06 | 1962-05-08 | 0 | Details |
| US3033622A | Bushing | Expired / Lapsed | 1959-07-08 | 1962-05-08 | 0 | Details |
| US3033051A | Power steering gear | Expired / Lapsed | 1959-03-05 | 1962-05-08 | 0 | Details |
| US3033305A | Vehicle guidance system | Expired / Lapsed | 1958-05-19 | 1962-05-08 | 0 | Details |
| US3031528A | Loudness meter | Expired / Lapsed | 1960-11-01 | 1962-04-24 | 0 | Details |
| US3029662A | Power transmission system | Expired / Lapsed | 1959-11-27 | 1962-04-17 | 0 | Details |
| US3027884A | Engine device for reducing unburned hydrocarbons | Expired / Lapsed | 1960-11-18 | 1962-04-03 | 1 | Details |
| US3022772A | Rotary power steering valve with torsion bar centering | Expired / Lapsed | 1958-09-19 | 1962-02-27 | 0 | Details |
| US3022850A | Single stick member for controlling the operation of motor … | Expired / Lapsed | 1958-04-11 | 1962-02-27 | 0 | Details |
| US3021701A | Clothes washing machine and single phase induction motor th… | Expired / Lapsed | 1960-06-23 | 1962-02-20 | 0 | Details |
| US3018649A | Automatic washer having control means regulating the speed … | Expired / Lapsed | 1958-06-27 | 1962-01-30 | 0 | Details |
| US3018457A | Closed system resistance units | Expired / Lapsed | 1959-06-22 | 1962-01-23 | 0 | Details |
| US3017631A | Selective paging receiver | Expired / Lapsed | 1958-03-24 | 1962-01-16 | 0 | Details |
| US3013399A | Refrigerating apparatus | Expired / Lapsed | 1959-08-31 | 1961-12-19 | 0 | Details |
| US3011580A | Automatic vehicle control system | Expired / Lapsed | 1958-10-29 | 1961-12-05 | 0 | Details |
| US3011713A | Cross-correlator | Expired / Lapsed | 1958-06-30 | 1961-12-05 | 0 | Details |
| US3011122A | Binary timer control | Expired / Lapsed | 1958-02-06 | 1961-11-28 | 0 | Details |
| US3010313A | Data translation system | Expired / Lapsed | 1956-10-01 | 1961-11-28 | 0 | Details |
| US3006363A | Check valve | Expired / Lapsed | 1958-11-20 | 1961-10-31 | 0 | Details |
| US3004401A | Forced air cooled refrigerator | Expired / Lapsed | 1960-07-08 | 1961-10-17 | 0 | Details |
| US3003091A | Power drive apparatus | Expired / Lapsed | 1959-04-06 | 1961-10-03 | 0 | Details |
| US2997857A | Refrigerating apparatus | Expired / Lapsed | 1958-09-04 | 1961-08-29 | 0 | Details |
| US2998397A | Bearing element comprising thermoplastic resin and sintered… | Expired / Lapsed | 1955-05-18 | 1961-08-29 | 2 | Details |
| US2995949A | Transmission control system | Expired / Lapsed | 1958-03-14 | 1961-08-15 | 0 | Details |
| US2996268A | Inertial guidance system | Expired / Lapsed | 1957-11-25 | 1961-08-15 | 0 | Details |
| US2996666A | Automatic test apparatus | Expired / Lapsed | 1957-07-12 | 1961-08-15 | 0 | Details |
| US2994209A | Frostless refrigerator | Expired / Lapsed | 1959-02-26 | 1961-08-01 | 0 | Details |
| US2990925A | Transmission clutch control | Expired / Lapsed | 1959-05-11 | 1961-07-04 | 0 | Details |
| US2990902A | Automatic car control system | Expired / Lapsed | 1958-11-03 | 1961-07-04 | 0 | Details |
| US2988960A | Bombing navigational computer | Expired / Lapsed | 1956-07-16 | 1961-06-20 | 0 | Details |
| US2983545A | Vehicle seat positioning apparatus | Expired / Lapsed | 1958-06-30 | 1961-05-09 | 0 | Details |
| US2980093A | Electronic ignition | Expired / Lapsed | 1958-09-12 | 1961-04-18 | 0 | Details |
| US2979617A | Scintillation detector circuit | Expired / Lapsed | 1957-11-29 | 1961-04-11 | 0 | Details |
| US2977925A | Apparatus for measuring the amount of radioactive material … | Expired / Lapsed | 1955-01-03 | 1961-04-04 | 0 | Details |
| US2977506A | Electronic ignition system | Expired / Lapsed | 1959-10-29 | 1961-03-28 | 0 | Details |
| US2976710A | Automatic clothes washing machine | Expired / Lapsed | 1958-07-14 | 1961-03-28 | 0 | Details |
| US2975007A | Self-aligning bearing mounting | Expired / Lapsed | 1958-11-14 | 1961-03-14 | 0 | Details |
| US2969965A | Fuel metering pin | Expired / Lapsed | 1958-06-11 | 1961-01-31 | 0 | Details |
| US2966559A | Circuit controller | Expired / Lapsed | 1957-06-17 | 1960-12-27 | 0 | Details |
| US2963217A | Fluid compressor | Expired / Lapsed | 1956-09-17 | 1960-12-06 | 0 | Details |
| US2962183A | Refrigerator cabinet | Expired / Lapsed | 1957-11-14 | 1960-11-29 | 0 | Details |
| US2962110A | Surge muffler for air storage tank | Expired / Lapsed | 1957-08-09 | 1960-11-29 | 0 | Details |
| US2951674A | Shockproof mounting | Expired / Lapsed | 1957-09-23 | 1960-09-06 | 0 | Details |
| US2949541A | Power plant control | Expired / Lapsed | 1957-07-15 | 1960-08-16 | 0 | Details |
| US2948263A | Propeller torque unit construction | Expired / Lapsed | 1958-05-19 | 1960-08-09 | 0 | Details |
| US2944188A | Automatic light controlled headlamp means | Expired / Lapsed | 1958-04-10 | 1960-07-05 | 0 | Details |
| US2943652A | Power operated tool for feeding and driving headed fasteners | Expired / Lapsed | 1955-12-06 | 1960-07-05 | 0 | Details |
| US2942917A | Composite air brake and air suspension charging and signali… | Expired / Lapsed | 1957-05-02 | 1960-06-28 | 0 | Details |
| US2941620A | Filter element | Expired / Lapsed | 1958-09-17 | 1960-06-21 | 0 | Details |
| US2939722A | Vehicle roll control device with steering responsive overri… | Expired / Lapsed | 1957-10-28 | 1960-06-07 | 0 | Details |
| US2936739A | Fluid power steering | Expired / Lapsed | 1956-03-16 | 1960-05-17 | 0 | Details |
| US2935365A | Seal | Expired / Lapsed | 1958-01-02 | 1960-05-03 | 0 | Details |
| US2932988A | Transmission | Expired / Lapsed | 1956-08-27 | 1960-04-19 | 0 | Details |
| US2929226A | Throttle control mechanism | Expired / Lapsed | 1957-10-21 | 1960-03-22 | 0 | Details |
| US2929478A | Transmission control system | Expired / Lapsed | 1957-06-11 | 1960-03-22 | 0 | Details |
| US2924968A | Press load measuring apparatus | Expired / Lapsed | 1958-01-27 | 1960-02-16 | 0 | Details |
| US2924701A | Die process or method | Expired / Lapsed | 1957-12-20 | 1960-02-09 | 0 | Details |
| US2922865A | Process and apparatus for dielectric heating | Expired / Lapsed | 1958-05-26 | 1960-01-26 | 2 | Details |
| US2922437A | Fluid flow control means | Expired / Lapsed | 1955-03-16 | 1960-01-26 | 0 | Details |
| US2919960A | Precision spindle | Expired / Lapsed | 1958-10-15 | 1960-01-05 | 0 | Details |
| US2920247A | Stable multivibrator | Expired / Lapsed | 1955-08-12 | 1960-01-05 | 0 | Details |
| US2919150A | Ball joint assemblies | Expired / Lapsed | 1955-02-15 | 1959-12-29 | 0 | Details |
| US2916566A | Circuit controller | Expired / Lapsed | 1958-03-13 | 1959-12-08 | 0 | Details |
| US2912854A | Ultrasonic surface testing device | Expired / Lapsed | 1955-05-27 | 1959-11-17 | 0 | Details |
| US2909624A | Circuit controller | Expired / Lapsed | 1957-07-03 | 1959-10-20 | 0 | Details |
| US2907180A | Refrigerating apparatus having air control means for multip… | Expired / Lapsed | 1956-10-19 | 1959-10-06 | 0 | Details |
| US2907247A | Sighting device | Expired / Lapsed | 1956-09-17 | 1959-10-06 | 0 | Details |
| US2905832A | Power supply means | Expired / Lapsed | 1957-06-24 | 1959-09-22 | 0 | Details |
| US2904905A | All wheel drive scraper | Expired / Lapsed | 1954-09-14 | 1959-09-22 | 0 | Details |
| US2898285A | Electroplating rack | Expired / Lapsed | 1958-02-03 | 1959-08-04 | 2 | Details |
| US2896889A | Flexible retainer | Expired / Lapsed | 1957-10-02 | 1959-07-28 | 0 | Details |
| US2893470A | Adjustable seat | Expired / Lapsed | 1957-10-07 | 1959-07-07 | 0 | Details |
| US2893751A | Vehicle anti-roll device and power steering control therefor | Expired / Lapsed | 1954-12-27 | 1959-07-07 | 0 | Details |
| US2891331A | Transport dolly | Expired / Lapsed | 1956-04-11 | 1959-06-23 | 0 | Details |
| US2889782A | Fuel pump with magnet | Expired / Lapsed | 1956-06-06 | 1959-06-09 | 0 | Details |
| US2888611A | Light controlled headlight on-off switch | Expired / Lapsed | 1957-09-13 | 1959-05-26 | 0 | Details |
| US2888248A | Rotary regenerator seal | Expired / Lapsed | 1956-07-05 | 1959-05-26 | 0 | Details |
| US2884957A | Flexible tubing | Expired / Lapsed | 1956-02-13 | 1959-05-05 | 0 | Details |
| US2884668A | Plural coated spongy sealing strip | Expired / Lapsed | 1954-08-31 | 1959-05-05 | 2 | Details |
| US2882068A | Air suspension control system | Expired / Lapsed | 1956-10-22 | 1959-04-14 | 0 | Details |
| US2879091A | Ball joint assembly | Expired / Lapsed | 1955-02-15 | 1959-03-24 | 0 | Details |
| US2876116A | Chemical plating bath and process | Expired / Lapsed | 1955-12-29 | 1959-03-03 | 2 | Details |
| US2874245A | Circuit breaker | Expired / Lapsed | 1954-01-19 | 1959-02-17 | 0 | Details |
| US2872539A | Steering wheel | Expired / Lapsed | 1956-07-12 | 1959-02-03 | 0 | Details |
| US2871846A | Pump | Expired / Lapsed | 1955-12-27 | 1959-02-03 | 0 | Details |
| US2872000A | Transmission and brake control system | Expired / Lapsed | 1953-05-13 | 1959-02-03 | 0 | Details |
| US2866323A | Forced air cooled refrigerator | Expired / Lapsed | 1955-12-27 | 1958-12-30 | 0 | Details |
| US2863300A | Refrigerating apparatus | Expired / Lapsed | 1955-10-28 | 1958-12-09 | 0 | Details |
| US2862741A | Oscillatory joint | Expired / Lapsed | 1956-10-16 | 1958-12-02 | 0 | Details |
| US2860720A | Adjustable toeboard for an automobile | Expired / Lapsed | 1956-01-18 | 1958-11-18 | 0 | Details |
| US2861234A | Servo controlled follower system | Expired / Lapsed | 1954-03-15 | 1958-11-18 | 0 | Details |
| US2858805A | Means for reducing relief valve squeal in a hydraulic power… | Expired / Lapsed | 1954-01-11 | 1958-11-04 | 0 | Details |
| US2858715A | Solenoid driven tuner with manual drive | Expired / Lapsed | 1954-01-08 | 1958-11-04 | 0 | Details |
| US2858095A | Valving device | Expired / Lapsed | 1955-08-26 | 1958-10-28 | 0 | Details |
| US2853638A | Inductor generator | Expired / Lapsed | 1957-01-11 | 1958-09-23 | 0 | Details |
| US2849346A | Method of making a composite friction unit clutch plate | Expired / Lapsed | 1955-01-31 | 1958-08-26 | 1 | Details |
| US2838436A | Method of bonding | Expired / Lapsed | 1955-11-03 | 1958-06-10 | 0 | Details |
| US2829002A | Seat positioning mechanism | Expired / Lapsed | 1955-09-15 | 1958-04-01 | 0 | Details |
| US2828840A | Liquid cooled friction brake | Expired / Lapsed | 1955-04-28 | 1958-04-01 | 0 | Details |
| US2828911A | Unbalance data correction apparatus | Expired / Lapsed | 1954-09-27 | 1958-04-01 | 0 | Details |
| US2827123A | Power steering gear | Expired / Lapsed | 1955-03-28 | 1958-03-18 | 0 | Details |
| US2824727A | Anti-percolating device for a carburetor | Expired / Lapsed | 1955-09-09 | 1958-02-25 | 0 | Details |
| US2824550A | Power steering valve with single reaction chamber | Expired / Lapsed | 1954-01-26 | 1958-02-25 | 0 | Details |
| US2823272A | Switch mechanism | Expired / Lapsed | 1956-09-07 | 1958-02-11 | 0 | Details |
| US2818711A | Priority valve | Expired / Lapsed | 1954-12-29 | 1958-01-07 | 0 | Details |
| US2819012A | Centrifugal compressor | Expired / Lapsed | 1950-12-22 | 1958-01-07 | 0 | Details |
| US2817562A | Coated piston | Expired / Lapsed | 1953-07-01 | 1957-12-24 | 2 | Details |
| US2816999A | Domestic appliance | Expired / Lapsed | 1955-01-14 | 1957-12-17 | 0 | Details |
| US2816211A | Refrigerating apparatus | Expired / Lapsed | 1954-08-18 | 1957-12-10 | 0 | Details |
| US2814841A | Sealing strip | Expired / Lapsed | 1955-10-19 | 1957-12-03 | 0 | Details |
| US2812642A | Refrigerating apparatus | Expired / Lapsed | 1955-08-09 | 1957-11-12 | 0 | Details |
| US2810347A | Fluid pump | Expired / Lapsed | 1953-12-30 | 1957-10-22 | 0 | Details |
| US2807147A | Vehicle refrigerating apparatus | Expired / Lapsed | 1954-11-29 | 1957-09-24 | 0 | Details |
| US2800801A | In-line hydraulic power steering gear | Expired / Lapsed | 1954-06-16 | 1957-07-30 | 0 | Details |
| US2799918A | Compressor blade manufacture | Expired / Lapsed | 1950-12-07 | 1957-07-23 | 0 | Details |
| US2794325A | Refrigerated display case | Expired / Lapsed | 1956-03-13 | 1957-06-04 | 0 | Details |
| US2793834A | Vehicle refrigerating apparatus | Expired / Lapsed | 1954-10-04 | 1957-05-28 | 0 | Details |
| US2791287A | Hydraulic power steering mechanism | Expired / Lapsed | 1954-07-19 | 1957-05-07 | 0 | Details |
| US2790043A | Pressure responsive device | Expired / Lapsed | 1952-04-09 | 1957-04-23 | 0 | Details |
| US2788100A | Molding retainer | Expired / Lapsed | 1950-12-06 | 1957-04-09 | 0 | Details |
| US2785255A | Electric switches | Expired / Lapsed | 1954-06-25 | 1957-03-12 | 0 | Details |
| US2783661A | Two speed rear axle | Expired / Lapsed | 1952-05-15 | 1957-03-05 | 0 | Details |
| US2782391A | Waterproof line connector | Expired / Lapsed | 1952-10-02 | 1957-02-19 | 0 | Details |
| US2781053A | Valve assembly | Expired / Lapsed | 1953-05-13 | 1957-02-12 | 0 | Details |
| US2779427A | Fluid power steering apparatus | Expired / Lapsed | 1954-04-08 | 1957-01-29 | 0 | Details |
| US2779531A | Gas turbine engine with hydraulic thrust balancing | Expired / Lapsed | 1950-12-29 | 1957-01-29 | 0 | Details |
| US2775330A | Transmission and control system | Expired / Lapsed | 1952-11-21 | 1956-12-25 | 0 | Details |
| US2771209A | Ash tray | Expired / Lapsed | 1951-08-02 | 1956-11-20 | 0 | Details |
| US2768535A | Control rod positioning mechanism | Expired / Lapsed | 1952-10-15 | 1956-10-30 | 0 | Details |
| US2766864A | Fluid operated torque responsive clutch device | Expired / Lapsed | 1952-04-04 | 1956-10-16 | 0 | Details |
| US2761277A | Variable nozzle actuator | Expired / Lapsed | 1952-02-23 | 1956-09-04 | 0 | Details |
| US2760346A | Refrigerating apparatus of dissimilar metals | Expired / Lapsed | 1953-10-01 | 1956-08-28 | 0 | Details |
| US2758169A | Electrical switch | Expired / Lapsed | 1954-03-15 | 1956-08-07 | 0 | Details |
| US2755999A | Temperature measuring and control apparatus | Expired / Lapsed | 1952-05-17 | 1956-07-24 | 0 | Details |
| US2754050A | Rotary blower | Expired / Lapsed | 1950-04-22 | 1956-07-10 | 0 | Details |
| US2747561A | Anti-detonating carburetor | Expired / Lapsed | 1954-05-06 | 1956-05-29 | 2 | Details |
| US2747385A | Refrigerating apparatus | Expired / Lapsed | 1953-08-26 | 1956-05-29 | 0 | Details |
| US2746425A | Automatic return air piston and cylinder device | Expired / Lapsed | 1951-11-21 | 1956-05-22 | 0 | Details |
| US2741128A | Combustion chamber pressure indicator | Expired / Lapsed | 1952-03-19 | 1956-04-10 | 0 | Details |
| US2738755A | Illuminatable indicating devices | Expired / Lapsed | 1951-05-25 | 1956-03-20 | 0 | Details |
| US2730205A | Automatic screw type brake wear adjustor | Expired / Lapsed | 1954-01-05 | 1956-01-10 | 0 | Details |
| US2725432A | Switch | Expired / Lapsed | 1953-05-25 | 1955-11-29 | 0 | Details |
| US2716867A | Refrigerating apparatus | Expired / Lapsed | 1953-07-02 | 1955-09-06 | 0 | Details |
| US2716778A | Method of molding sealing strips | Expired / Lapsed | 1951-02-06 | 1955-09-06 | 0 | Details |
| US2716398A | Crankcase ventilation valve incorporating flame arrester | Expired / Lapsed | 1951-11-21 | 1955-08-30 | 0 | Details |
| US2716252A | Windshield wipers | Expired / Lapsed | 1949-08-23 | 1955-08-30 | 0 | Details |
| US2711222A | Motor vehicle | Expired / Lapsed | 1949-06-08 | 1955-06-21 | 0 | Details |
| US2707492A | Flexible tubing | Expired / Lapsed | 1952-10-18 | 1955-05-03 | 0 | Details |
| US2705942A | Compound carburetion system | Expired / Lapsed | 1952-06-27 | 1955-04-12 | 0 | Details |
| US2701330A | Motor operated tuning means | Expired / Lapsed | 1950-10-31 | 1955-02-01 | 0 | Details |
| US2698893A | Automobile seat heater | Expired / Lapsed | 1951-04-30 | 1955-01-04 | 0 | Details |
| US2697939A | Fuel measuring system | Expired / Lapsed | 1950-08-28 | 1954-12-28 | 0 | Details |
| US2696580A | Reversible motor control | Expired / Lapsed | 1951-08-27 | 1954-12-07 | 0 | Details |
| US2695078A | Brake wear compensating device | Expired / Lapsed | 1951-01-10 | 1954-11-23 | 0 | Details |
| US2691308A | Follow-up mechanism | Expired / Lapsed | 1953-03-17 | 1954-10-12 | 0 | Details |
| US2689652A | Oil filter | Expired / Lapsed | 1950-11-04 | 1954-09-21 | 0 | Details |
| US2688793A | Method of making commutators | Expired / Lapsed | 1951-06-28 | 1954-09-14 | 0 | Details |
| US2688126A | Combined spark impulse indicator | Expired / Lapsed | 1951-01-30 | 1954-08-31 | 0 | Details |
| US2686852A | Lamp supporting and operating structure | Expired / Lapsed | 1951-02-06 | 1954-08-17 | 0 | Details |
| US2682038A | Connector | Expired / Lapsed | 1950-09-21 | 1954-06-22 | 0 | Details |
| US2679616A | Light responsive system | Expired / Lapsed | 1948-07-10 | 1954-05-25 | 0 | Details |
| US2673377A | Refrigerator door | Expired / Lapsed | 1951-01-09 | 1954-03-30 | 0 | Details |
| US2668888A | Fuse holder | Expired / Lapsed | 1950-09-14 | 1954-02-09 | 0 | Details |
| US2664480A | Circuit breaker | Expired / Lapsed | 1950-03-07 | 1953-12-29 | 0 | Details |
| US2662975A | Combination radio receiver | Expired / Lapsed | 1951-01-23 | 1953-12-15 | 0 | Details |
| US2662273A | Method of making heat exchange structures | Expired / Lapsed | 1950-03-24 | 1953-12-15 | 0 | Details |
| US2660759A | Method of making grommets | Expired / Lapsed | 1949-06-09 | 1953-12-01 | 0 | Details |
| US2656539A | Hog ring clinching tool | Expired / Lapsed | 1952-12-29 | 1953-10-27 | 0 | Details |
| US2652942A | Method of and apparatus for attaching clinch nuts to sheet … | Expired / Lapsed | 1949-07-02 | 1953-09-22 | 0 | Details |
| US2651025A | Electrical connection for distributors | Expired / Lapsed | 1949-10-26 | 1953-09-01 | 0 | Details |
| US2647637A | Filter | Expired / Lapsed | 1949-07-16 | 1953-08-04 | 0 | Details |
| US2647814A | Clip clinching tool | Expired / Lapsed | 1949-02-07 | 1953-08-04 | 0 | Details |
| US2642733A | Clothes washing machine and agitator therefor | Expired / Lapsed | 1949-06-16 | 1953-06-23 | 0 | Details |
| US2640424A | Fuel pump | Expired / Lapsed | 1948-01-10 | 1953-06-02 | 0 | Details |
| US2637204A | Apparatus for testing dynamoelectric machines | Expired / Lapsed | 1950-04-27 | 1953-05-05 | 0 | Details |
| US2634604A | Combined torsiograph and torsiograph calibration device | Expired / Lapsed | 1947-12-06 | 1953-04-14 | 0 | Details |
| US2632205A | Method and apparatus for making lined tubing | Expired / Lapsed | 1949-02-10 | 1953-03-24 | 0 | Details |
| US2613575A | Rearview mirror assembly and mounting means | Expired / Lapsed | 1950-03-25 | 1952-10-14 | 0 | Details |
| US2608252A | Domestic appliance | Expired / Lapsed | 1947-07-11 | 1952-08-26 | 0 | Details |
| US2600220A | Composite article and method of making same | Expired / Lapsed | 1945-10-13 | 1952-06-10 | 0 | Details |
| US2596922A | Torsion bar suspension for individual wheel mountings | Expired / Lapsed | 1948-01-31 | 1952-05-13 | 0 | Details |
| US2577647A | Centrifugal machine | Expired / Lapsed | 1945-08-17 | 1951-12-04 | 0 | Details |
| US2571893A | Submersible vent cap | Expired / Lapsed | 1949-11-04 | 1951-10-16 | 0 | Details |
| US2550414A | Automatic engine starting equipment | Expired / Lapsed | 1949-05-24 | 1951-04-24 | 0 | Details |
| US2550174A | Process of bonding two metal members with an aperture there… | Expired / Lapsed | 1947-10-03 | 1951-04-24 | 0 | Details |
| US2550529A | Controllable pitch propeller | Expired / Lapsed | 1944-11-11 | 1951-04-24 | 0 | Details |
| US2548258A | Drive axle | Expired / Lapsed | 1949-04-12 | 1951-04-10 | 0 | Details |
| US2544144A | Oil burner pump | Expired / Lapsed | 1947-05-07 | 1951-03-06 | 0 | Details |
| US2521752A | Radio station selector | Expired / Lapsed | 1948-01-19 | 1950-09-12 | 0 | Details |
| US2522242A | Ingredient supply for washing machines | Expired / Lapsed | 1942-02-28 | 1950-09-12 | 0 | Details |
| US2517121A | Automatic spectrophotometer | Expired / Lapsed | 1947-06-03 | 1950-08-01 | 0 | Details |
| US2516189A | Precision aircraft tachometer | Expired / Lapsed | 1946-01-24 | 1950-07-25 | 0 | Details |
| US2502823A | Control switch means for clotheswashing machines | Expired / Lapsed | 1944-11-04 | 1950-04-04 | 0 | Details |
| US2502059A | Sheet thickness gauge | Expired / Lapsed | 1947-02-04 | 1950-03-28 | 0 | Details |
| US2498814A | Battery charging system | Expired / Lapsed | 1947-03-06 | 1950-02-28 | 0 | Details |
| US2498661A | Refrigerating apparatus for window mounting | Expired / Lapsed | 1945-10-29 | 1950-02-28 | 0 | Details |
| US2498894A | Clothes washing machine and agitator therefor | Expired / Lapsed | 1943-07-26 | 1950-02-28 | 0 | Details |
| US2494433A | Transducer holder | Expired / Lapsed | 1946-06-06 | 1950-01-10 | 0 | Details |
| US2494470A | Induction coil | Expired / Lapsed | 1943-12-27 | 1950-01-10 | 0 | Details |
| US2492566A | Connector strip | Expired / Lapsed | 1947-04-22 | 1949-12-27 | 0 | Details |
| US2491482A | Engine controller | Expired / Lapsed | 1944-02-03 | 1949-12-20 | 0 | Details |
| US2490549A | Method of making composite stock | Expired / Lapsed | 1945-07-07 | 1949-12-06 | 0 | Details |
| US2463119A | Aerial torpedo | Expired / Lapsed | 1942-10-05 | 1949-03-01 | 0 | Details |
| US2449429A | Balancing machine | Expired / Lapsed | 1943-12-08 | 1948-09-14 | 0 | Details |
| US2442300A | Direct current servo system | Expired / Lapsed | 1946-05-18 | 1948-05-25 | 0 | Details |
| US2442298A | Modulated heat ray detector | Expired / Lapsed | 1944-05-29 | 1948-05-25 | 0 | Details |
| US2431945A | Thermal control device for storage batteries | Expired / Lapsed | 1943-11-02 | 1947-12-02 | 0 | Details |
| US2431234A | Automatic sonic measuring means | Expired / Lapsed | 1944-12-04 | 1947-11-18 | 0 | Details |
| US2431233A | Supersonic measuring means | Expired / Lapsed | 1944-04-21 | 1947-11-18 | 0 | Details |
| US2430064A | Dustproof and moistureproof switch casing | Expired / Lapsed | 1944-05-05 | 1947-11-04 | 0 | Details |
| US2427764A | Vent plug | Expired / Lapsed | 1944-09-13 | 1947-09-23 | 0 | Details |
| US2427173A | Fuel | Expired / Lapsed | 1944-03-29 | 1947-09-09 | 0 | Details |
| US2426305A | Balancing machine | Expired / Lapsed | 1942-03-12 | 1947-08-26 | 0 | Details |
| US2424736A | Rubber composition and method of making same | Expired / Lapsed | 1944-02-23 | 1947-07-29 | 0 | Details |
| US2421523A | Battery-charging system | Expired / Lapsed | 1945-07-23 | 1947-06-03 | 0 | Details |
| US2418351A | Actuator control | Expired / Lapsed | 1945-03-14 | 1947-04-01 | 0 | Details |
| US2417112A | Electrical control system | Expired / Lapsed | 1943-07-03 | 1947-03-11 | 0 | Details |
| US2415513A | Torque measuring device | Expired / Lapsed | 1943-05-13 | 1947-02-11 | 0 | Details |
| US2409876A | Shaft torsion measuring means | Expired / Lapsed | 1942-03-07 | 1946-10-22 | 0 | Details |
| US2409295A | Porous metal article | Expired / Lapsed | 1941-12-08 | 1946-10-15 | 0 | Details |
| US2408926A | Drive axle | Expired / Lapsed | 1944-07-15 | 1946-10-08 | 0 | Details |
| US2406494A | Domestic appliance | Expired / Lapsed | 1943-05-14 | 1946-08-27 | 0 | Details |
| US2405394A | Coach body | Expired / Lapsed | 1944-09-14 | 1946-08-06 | 0 | Details |
| US2405441A | Gun sighting device | Expired / Lapsed | 1943-12-16 | 1946-08-06 | 0 | Details |
| US2403669A | Inductor compasss | Expired / Lapsed | 1944-04-20 | 1946-07-09 | 0 | Details |
| US2390905A | Oscillating joint | Expired / Lapsed | 1942-10-12 | 1945-12-11 | 0 | Details |
| US2389446A | Electrical appliance | Expired / Lapsed | 1942-03-27 | 1945-11-20 | 0 | Details |
| US2389440A | Refrigerating apparatus | Expired / Lapsed | 1940-11-30 | 1945-11-20 | 0 | Details |
| US2386992A | Audible stall indicator | Expired / Lapsed | 1942-12-07 | 1945-10-16 | 0 | Details |
| US2385513A | Fuel system | Expired / Lapsed | 1942-10-15 | 1945-09-25 | 0 | Details |
| US2383202A | Lighting system | Expired / Lapsed | 1942-10-23 | 1945-08-21 | 0 | Details |
| US2382665A | Balancing machine | Expired / Lapsed | 1942-12-14 | 1945-08-14 | 0 | Details |
| US2381894A | Domestic appliance | Expired / Lapsed | 1941-08-30 | 1945-08-14 | 0 | Details |
| US2380681A | Fluid coupling | Expired / Lapsed | 1942-05-29 | 1945-07-31 | 0 | Details |
| US2379166A | Method of making friction linings | Expired / Lapsed | 1943-11-04 | 1945-06-26 | 0 | Details |
| US2377696A | Transmission drive | Expired / Lapsed | 1941-12-15 | 1945-06-05 | 0 | Details |
| US2373332A | Safety device | Expired / Lapsed | 1944-01-17 | 1945-04-10 | 0 | Details |
| US2369583A | Method of making arcuate molded articles | Expired / Lapsed | 1943-12-27 | 1945-02-13 | 0 | Details |
| US2368084A | Protector | Expired / Lapsed | 1942-08-27 | 1945-01-30 | 0 | Details |
| US2366236A | Domestic appliance | Expired / Lapsed | 1940-09-28 | 1945-01-02 | 0 | Details |
| US2365562A | Method of making porous metal bearings | Expired / Lapsed | 1942-03-20 | 1944-12-19 | 0 | Details |
| US2362449A | Variable feed mechanism | Expired / Lapsed | 1941-02-20 | 1944-11-14 | 0 | Details |
| US2361266A | Domestic appliance | Expired / Lapsed | 1941-02-24 | 1944-10-24 | 0 | Details |
| US2357569A | Gauge | Expired / Lapsed | 1942-06-17 | 1944-09-05 | 0 | Details |
| US2357353A | Method and apparatus for testing thermostatic control devic… | Expired / Lapsed | 1941-01-28 | 1944-09-05 | 0 | Details |
| US2354300A | Transfer case for power transmissions | Expired / Lapsed | 1942-06-03 | 1944-07-25 | 0 | Details |
| US2352958A | Electric fuel pump | Expired / Lapsed | 1942-06-22 | 1944-07-04 | 0 | Details |
| US2352774A | Engine starter control system | Expired / Lapsed | 1940-07-12 | 1944-07-04 | 0 | Details |
| US2347874A | Electric switch | Expired / Lapsed | 1942-09-07 | 1944-05-02 | 0 | Details |
| US2347379A | Pressure tank | Expired / Lapsed | 1942-11-30 | 1944-04-25 | 0 | Details |
| US2346837A | Refrigerating apparatus | Expired / Lapsed | 1941-02-24 | 1944-04-18 | 0 | Details |
| US2346158A | Driving mechanism | Expired / Lapsed | 1943-06-16 | 1944-04-11 | 0 | Details |
| US2344753A | Balancing machine | Expired / Lapsed | 1940-08-02 | 1944-03-21 | 0 | Details |
| US2343060A | Switch | Expired / Lapsed | 1941-09-25 | 1944-02-29 | 0 | Details |
| US2341731A | Wire coating apparatus | Expired / Lapsed | 1942-03-07 | 1944-02-15 | 0 | Details |
| US2340502A | Horn control system | Expired / Lapsed | 1940-05-02 | 1944-02-01 | 0 | Details |
| US2333899A | Refrigerating apparatus | Expired / Lapsed | 1934-05-25 | 1943-11-09 | 0 | Details |
| US2332737A | Composite metal article | Expired / Lapsed | 1940-07-23 | 1943-10-26 | 0 | Details |
| US2332730A | Refrigerating apparatus | Expired / Lapsed | 1939-10-30 | 1943-10-26 | 0 | Details |
| US2329818A | Photocell control | Expired / Lapsed | 1940-12-13 | 1943-09-21 | 0 | Details |
| US2325399A | Oil filter | Expired / Lapsed | 1940-07-13 | 1943-07-27 | 0 | Details |
| US2325427A | Heater and windshield defroster | Expired / Lapsed | 1939-12-16 | 1943-07-27 | 0 | Details |
| US2321840A | Spark plug and method of making same | Expired / Lapsed | 1942-01-23 | 1943-06-15 | 0 | Details |
| US2321064A | Flexible tubing | Expired / Lapsed | 1940-12-05 | 1943-06-08 | 0 | Details |
| US2320432A | Refrigerating apparatus | Expired / Lapsed | 1939-10-24 | 1943-06-01 | 0 | Details |
| US2319522A | Refrigerating apparatus | Expired / Lapsed | 1940-05-25 | 1943-05-18 | 0 | Details |
| US2316009A | Barometric device | Expired / Lapsed | 1941-08-25 | 1943-04-06 | 0 | Details |
| US2313928A | Domestic appliance | Expired / Lapsed | 1939-04-24 | 1943-03-16 | 0 | Details |
| US2311972A | Power operated window regulator | Expired / Lapsed | 1941-03-24 | 1943-02-23 | 0 | Details |
| US2308041A | Fuel pump | Expired / Lapsed | 1941-09-27 | 1943-01-12 | 0 | Details |
| US2307833A | Domestic appliance | Expired / Lapsed | 1940-02-14 | 1943-01-12 | 0 | Details |
| US2306460A | Molding retaining clip | Expired / Lapsed | 1940-11-29 | 1942-12-29 | 0 | Details |
| US2302012A | Domestic appliance | Expired / Lapsed | 1938-06-21 | 1942-11-17 | 0 | Details |
| US2301447A | Connector | Expired / Lapsed | 1939-12-29 | 1942-11-10 | 0 | Details |
| US2300013A | Torsion joint | Expired / Lapsed | 1942-01-16 | 1942-10-27 | 0 | Details |
| US2299688A | Domestic appliance | Expired / Lapsed | 1939-06-29 | 1942-10-20 | 0 | Details |
| US2293289A | Strain gauge | Expired / Lapsed | 1941-05-08 | 1942-08-18 | 0 | Details |
| US2289905A | Refrigerating apparatus | Expired / Lapsed | 1939-03-09 | 1942-07-14 | 0 | Details |
| US2288918A | Wiring connector socket | Expired / Lapsed | 1941-03-24 | 1942-07-07 | 0 | Details |
| US2288094A | Method of making tubing | Expired / Lapsed | 1939-01-28 | 1942-06-30 | 0 | Details |
| US2286717A | Electric oil pressure gauge | Expired / Lapsed | 1940-12-04 | 1942-06-16 | 0 | Details |
| US2282949A | Vacuum control of clutch capacity | Expired / Lapsed | 1937-10-18 | 1942-05-12 | 0 | Details |
| US2280384A | Engine balancing | Expired / Lapsed | 1939-06-05 | 1942-04-21 | 0 | Details |
| US2278627A | Molding | Expired / Lapsed | 1941-03-26 | 1942-04-07 | 0 | Details |
| US2275556A | Switch | Expired / Lapsed | 1940-08-26 | 1942-03-10 | 0 | Details |
| US2273734A | Domestic appliance | Expired / Lapsed | 1940-03-30 | 1942-02-17 | 0 | Details |
| US2270505A | Volume checking fixture | Expired / Lapsed | 1941-04-09 | 1942-01-20 | 0 | Details |
| US2270392A | Self-aligning bearing | Expired / Lapsed | 1939-08-10 | 1942-01-20 | 0 | Details |
| US2269069A | Electric motor | Expired / Lapsed | 1938-12-19 | 1942-01-06 | 0 | Details |
| US2267524A | Steering gear | Expired / Lapsed | 1939-08-12 | 1941-12-23 | 0 | Details |
| US2266315A | Pressure indicator | Expired / Lapsed | 1940-06-20 | 1941-12-16 | 0 | Details |
| US2266316A | Fluid flow indicator | Expired / Lapsed | 1940-06-20 | 1941-12-16 | 0 | Details |
| US2265352A | Spark plug | Expired / Lapsed | 1941-03-31 | 1941-12-09 | 0 | Details |
| DE711498C | Automatic stepless adjustment device on the wheel brake cyl… | Expired / Lapsed | 1937-06-04 | 1941-10-02 | 0 | Details |
| US2254495A | Pump | Expired / Lapsed | 1938-04-04 | 1941-09-02 | 0 | Details |
| US2253671A | Vehicle heating and windshield defrosting device | Expired / Lapsed | 1939-08-28 | 1941-08-26 | 0 | Details |
| US2253327A | Lubricating method | Expired / Lapsed | 1938-04-20 | 1941-08-19 | 0 | Details |
| US2252173A | Refrigerating apparatus | Expired / Lapsed | 1938-01-27 | 1941-08-12 | 0 | Details |
| US2251410A | Composite metal structure and method of making same | Expired / Lapsed | 1939-04-27 | 1941-08-05 | 0 | Details |
| US2249952A | Heat exchanger | Expired / Lapsed | 1940-02-29 | 1941-07-22 | 0 | Details |
| US2249946A | Car heater | Expired / Lapsed | 1939-02-06 | 1941-07-22 | 0 | Details |
| US2248415A | Spark plug electrode seal | Expired / Lapsed | 1940-07-03 | 1941-07-08 | 0 | Details |
| US2244900A | Refrigerating apparatus | Expired / Lapsed | 1939-07-20 | 1941-06-10 | 0 | Details |
| US2243466A | Refrigerating apparatus | Expired / Lapsed | 1940-03-25 | 1941-05-27 | 0 | Details |
| US2242142A | Lock switch coil | Expired / Lapsed | 1939-08-25 | 1941-05-13 | 0 | Details |
| US2241095A | Method of making porous metal structures | Expired / Lapsed | 1940-02-01 | 1941-05-06 | 0 | Details |
| US2241086A | Refrigerating apparatus | Expired / Lapsed | 1939-01-28 | 1941-05-06 | 0 | Details |
| US2240354A | Refrigerating apparatus | Expired / Lapsed | 1935-03-29 | 1941-04-29 | 0 | Details |
| US2237103A | Gang spot welder | Expired / Lapsed | 1938-07-05 | 1941-04-01 | 0 | Details |
| US2225972A | Exposition tent | Expired / Lapsed | 1940-07-02 | 1940-12-24 | 0 | Details |
| US2225261A | Charge forming device | Expired / Lapsed | 1935-04-08 | 1940-12-17 | 0 | Details |
| US2222721A | Oil cooler | Expired / Lapsed | 1936-04-13 | 1940-11-26 | 0 | Details |
| US2221393A | Variable speed control | Expired / Lapsed | 1938-07-01 | 1940-11-12 | 0 | Details |
| US2220641A | Porous metal filter element | Expired / Lapsed | 1938-01-28 | 1940-11-05 | 0 | Details |
| US2219423A | Method of forming porous metal articles | Expired / Lapsed | 1938-07-28 | 1940-10-29 | 0 | Details |
| US2214931A | Ceramic body for spark plug insulators | Expired / Lapsed | 1938-09-07 | 1940-09-17 | 0 | Details |
| US2211118A | Instrument lighting | Expired / Lapsed | 1937-12-15 | 1940-08-13 | 0 | Details |
| US2209477A | Resilient motor mount | Expired / Lapsed | 1938-11-03 | 1940-07-30 | 0 | Details |
| US2205690A | Hog ring clinching tool | Expired / Lapsed | 1939-05-24 | 1940-06-25 | 0 | Details |
| US2201335A | Fastening device | Expired / Lapsed | 1939-03-15 | 1940-05-21 | 0 | Details |
| US2200215A | Refrigerating apparatus | Expired / Lapsed | 1938-02-10 | 1940-05-07 | 0 | Details |
| US2198488A | Electrical apparatus | Expired / Lapsed | 1937-01-21 | 1940-04-23 | 0 | Details |
| US2197582A | Refrigerating apparatus | Expired / Lapsed | 1938-03-26 | 1940-04-16 | 0 | Details |
| US2197115A | Electric thermogauge engine unit | Expired / Lapsed | 1937-01-27 | 1940-04-16 | 0 | Details |
| US2193880A | Punch press control | Expired / Lapsed | 1937-04-20 | 1940-03-19 | 0 | Details |
| US2193305A | Brake and clutch capacity control | Expired / Lapsed | 1937-08-21 | 1940-03-12 | 0 | Details |
| US2192792A | Method of sintering and impregnating porous metal briquettes | Expired / Lapsed | 1938-07-28 | 1940-03-05 | 0 | Details |
| US2191198A | Refrigerating apparatus | Expired / Lapsed | 1937-02-26 | 1940-02-20 | 0 | Details |
| US2191208A | Air conditioning | Expired / Lapsed | 1936-09-30 | 1940-02-20 | 0 | Details |
| US2190502A | Ice tray | Expired / Lapsed | 1938-05-07 | 1940-02-13 | 0 | Details |
| US2190344A | Air conditioning | Expired / Lapsed | 1936-11-10 | 1940-02-13 | 0 | Details |
| US2189526A | Double acting vacuum pump | Expired / Lapsed | 1938-03-28 | 1940-02-06 | 0 | Details |
| US2187086A | Metallic element and method of making same | Expired / Lapsed | 1938-02-10 | 1940-01-16 | 0 | Details |
| US2187569A | Refrigerating apparatus | Expired / Lapsed | 1935-06-29 | 1940-01-16 | 0 | Details |
| US2177943A | Ceramic body for spark plug insulators | Expired / Lapsed | 1938-09-07 | 1939-10-31 | 0 | Details |
| US2176214A | Headlight tester | Expired / Lapsed | 1935-08-26 | 1939-10-17 | 0 | Details |
| US2175429A | Steering linkage | Expired / Lapsed | 1937-07-26 | 1939-10-10 | 0 | Details |
| US2171157A | Pivotal joint | Expired / Lapsed | 1938-05-16 | 1939-08-29 | 0 | Details |
| US2166906A | Refrigerating apparatus | Expired / Lapsed | 1936-01-21 | 1939-07-18 | 0 | Details |
| US2165660A | Instrument cluster cabinet | Expired / Lapsed | 1937-12-20 | 1939-07-11 | 0 | Details |
| US2164450A | Radiator pressure cap | Expired / Lapsed | 1937-12-30 | 1939-07-04 | 0 | Details |
| US2159203A | Spring suspension | Expired / Lapsed | 1938-01-06 | 1939-05-23 | 0 | Details |
| US2159741A | Bed air conditioning apparatus | Expired / Lapsed | 1933-08-30 | 1939-05-23 | 0 | Details |
| US2154077A | Universal joint | Expired / Lapsed | 1937-05-28 | 1939-04-11 | 0 | Details |
| US2152157A | Refrigerating apparatus | Expired / Lapsed | 1935-04-30 | 1939-03-28 | 0 | Details |
| US2148801A | Switch | Expired / Lapsed | 1937-08-16 | 1939-02-28 | 0 | Details |
| US2148816A | Automatic choke for carburetors | Expired / Lapsed | 1934-09-06 | 1939-02-28 | 0 | Details |
| US2146796A | Refrigerating apparatus | Expired / Lapsed | 1934-05-25 | 1939-02-14 | 0 | Details |
| US2145931A | Instrument panel | Expired / Lapsed | 1935-11-11 | 1939-02-07 | 0 | Details |
| US2145711A | Sounding signal device | Expired / Lapsed | 1934-04-19 | 1939-01-31 | 0 | Details |
| US2139385A | Electric thermogauge-dash unit | Expired / Lapsed | 1937-01-25 | 1938-12-06 | 0 | Details |
| US2138206A | Slack adjuster | Expired / Lapsed | 1936-05-28 | 1938-11-29 | 0 | Details |
| US2138660A | Refrigerating apparatus | Expired / Lapsed | 1934-10-24 | 1938-11-29 | 0 | Details |
| US2133773A | Stabilizer | Expired / Lapsed | 1934-07-28 | 1938-10-18 | 0 | Details |
| US2131413A | Ignition timing control | Expired / Lapsed | 1936-02-28 | 1938-09-27 | 0 | Details |
| US2131622A | Odometer reset mechanism | Expired / Lapsed | 1935-08-29 | 1938-09-27 | 0 | Details |
| US2129125A | Bearing having a nonmetallic fabric lining and method of ma… | Expired / Lapsed | 1935-03-27 | 1938-09-06 | 0 | Details |
| US2122960A | Refractory body and method of making same | Expired / Lapsed | 1935-01-25 | 1938-07-05 | 0 | Details |
| US2122012A | Refrigerating apparatus | Expired / Lapsed | 1933-12-01 | 1938-06-28 | 0 | Details |
| US2120024A | Manufacture of flared frustums | Expired / Lapsed | 1935-12-09 | 1938-06-07 | 0 | Details |
| US2113610A | Temperature indicator | Expired / Lapsed | 1935-02-27 | 1938-04-12 | 0 | Details |
| US2111009A | Electrical apparatus | Expired / Lapsed | 1934-05-26 | 1938-03-15 | 0 | Details |
| US2095579A | Control system | Expired / Lapsed | 1934-09-06 | 1937-10-12 | 0 | Details |
| US2093810A | Method of making tubing | Expired / Lapsed | 1936-03-13 | 1937-09-21 | 0 | Details |
| US2085028A | Air conditioning apparatus | Expired / Lapsed | 1932-07-20 | 1937-06-29 | 0 | Details |
| US2079406A | Oil trap for vacuum pumps | Expired / Lapsed | 1934-09-15 | 1937-05-04 | 0 | Details |
| US2073008A | Refrigerating apparatus | Expired / Lapsed | 1934-07-19 | 1937-03-09 | 0 | Details |
| US2071573A | Ignition system | Expired / Lapsed | 1934-05-28 | 1937-02-23 | 0 | Details |
| US2067077A | Lamp switch | Expired / Lapsed | 1935-08-08 | 1937-01-05 | 0 | Details |
| US2065604A | Refrigerating apparatus | Expired / Lapsed | 1934-03-26 | 1936-12-29 | 0 | Details |
| US2065882A | Starting and ignition system | Expired / Lapsed | 1933-08-05 | 1936-12-29 | 0 | Details |
| US2062052A | Motor-compressor unit for refrigerating apparatus | Expired / Lapsed | 1932-06-30 | 1936-11-24 | 0 | Details |
| US2059992A | Refrigerating apparatus | Expired / Lapsed | 1936-01-25 | 1936-11-03 | 0 | Details |
| US2057505A | Condenser for refrigerating apparatus | Expired / Lapsed | 1934-10-31 | 1936-10-13 | 0 | Details |
| US2054323A | Refrigerating apparatus | Expired / Lapsed | 1928-01-31 | 1936-09-15 | 0 | Details |
| US2048866A | Antiroll device | Expired / Lapsed | 1934-02-16 | 1936-07-28 | 0 | Details |
| US2046772A | Sound signal | Expired / Lapsed | 1929-06-29 | 1936-07-07 | 0 | Details |
| US2044600A | Refrigerating apparatus | Expired / Lapsed | 1931-07-03 | 1936-06-16 | 0 | Details |
| US2029367A | Composite rubber piston | Expired / Lapsed | 1934-08-03 | 1936-02-04 | 0 | Details |
| US2028058A | Quick-assembled sectional cabinet | Expired / Lapsed | 1933-02-11 | 1936-01-14 | 0 | Details |
| US2022094A | Two-cycle engine control | Expired / Lapsed | 1933-08-05 | 1935-11-26 | 0 | Details |
| US2011992A | Internal combustion engine | Expired / Lapsed | 1929-12-28 | 1935-08-20 | 0 | Details |
| US2003464A | Method of making spark plugs | Expired / Lapsed | 1933-04-26 | 1935-06-04 | 0 | Details |
| US2001323A | Refrigerating apparatus | Expired / Lapsed | 1931-04-29 | 1935-05-14 | 0 | Details |
| US2000276A | Bearing and guard therefor | Expired / Lapsed | 1932-02-04 | 1935-05-07 | 0 | Details |
| US1991582A | Method of making valve tappets | Expired / Lapsed | 1931-06-15 | 1935-02-19 | 0 | Details |
| US1991706A | Plastic molding apparatus | Expired / Lapsed | 1930-12-08 | 1935-02-19 | 0 | Details |
| US1986374A | Method of making a knob | Expired / Lapsed | 1932-01-18 | 1935-01-01 | 0 | Details |
| US1981913A | Fuel pump | Expired / Lapsed | 1933-05-05 | 1934-11-27 | 0 | Details |
| US1981064A | Electric switch | Expired / Lapsed | 1932-04-13 | 1934-11-20 | 0 | Details |
| US1980355A | Engine starter control | Expired / Lapsed | 1933-02-02 | 1934-11-13 | 0 | Details |
| US1973838A | Temperature indicator | Expired / Lapsed | 1928-06-08 | 1934-09-18 | 0 | Details |
| US1969682A | Ignition controller | Expired / Lapsed | 1931-08-24 | 1934-08-07 | 0 | Details |
| US1937961A | Wheel truing device | Expired / Lapsed | 1929-07-29 | 1933-12-05 | 0 | Details |
| US1903130A | Chromium plating process | Expired / Lapsed | 1927-01-15 | 1933-03-28 | 0 | Details |
| US1848083A | Method of forming valve tappets | Expired / Lapsed | 1929-08-07 | 1932-03-01 | 0 | Details |
| US1788861A | Pedal stop and yoke | Expired / Lapsed | 1929-01-31 | 1931-01-13 | 0 | Details |
| US1727778A | Steering-gear assembly | Expired / Lapsed | 1927-04-15 | 1929-09-10 | 0 | Details |
| US1697814A | Grommet | Expired / Lapsed | 1925-12-12 | 1929-01-01 | 0 | Details |
| US1638336A | Electric-arc welding | Expired / Lapsed | 1921-04-14 | 1927-08-09 | 0 | Details |
| US1557501A | Ignition coil | Expired / Lapsed | 1923-07-17 | 1925-10-13 | 0 | Details |
| US1498520A | Valve for internal-combustion engines and method of making … | Expired / Lapsed | 1921-05-14 | 1924-06-17 | 0 | Details |
| US1479092A | Motor-propelled agricultural machine | Expired / Lapsed | 1917-08-30 | 1924-01-01 | 0 | Details |
| US1461716A | Farm tractor | Expired / Lapsed | 1920-07-02 | 1923-07-10 | 0 | Details |
| US1330912A | Gear-shifting lever | Expired / Lapsed | 1917-04-21 | 1920-02-17 | 0 | Details |