Duracell Inc USA
Duracell IActive Patents
0
Total Holdings
39
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3506902A | Rechargeable cells and connection means therefor | Expired / Lapsed | 1967-07-27 | 1970-04-14 | 0 | Details |
| US3477460A | Fluid level control system | Expired / Lapsed | 1965-08-02 | 1969-11-11 | 0 | Details |
| US3387193A | Diffused resistor for an integrated circuit | Expired / Lapsed | 1966-03-24 | 1968-06-04 | 0 | Details |
| US3278815A | Electrical capacitor with a boron nitride dielectric | Expired / Lapsed | 1961-01-11 | 1966-10-11 | 2 | Details |
| US3200320A | Charging means with magnetic contacts for battery operated … | Expired / Lapsed | 1962-11-13 | 1965-08-10 | 1 | Details |
| US2868026A | Intermittent driving mechanism | Expired / Lapsed | 1957-08-22 | 1959-01-13 | 0 | Details |
| US2858179A | Chassis, base, and cover fastening means | Expired / Lapsed | 1957-01-10 | 1958-10-28 | 0 | Details |
| US2787713A | Television tuner | Expired / Lapsed | 1952-11-20 | 1957-04-02 | 0 | Details |
| US2666906A | Spiral tuner | Expired / Lapsed | 1950-04-18 | 1954-01-19 | 0 | Details |
| US2610223A | Miniature phone plug | Expired / Lapsed | 1950-03-17 | 1952-09-09 | 0 | Details |
| US2539247A | Method of bonding aluminum to steel | Expired / Lapsed | 1945-07-31 | 1951-01-23 | 2 | Details |
| US2535479A | Magnetic pickup | Expired / Lapsed | 1947-05-20 | 1950-12-26 | 0 | Details |
| US2523354A | Battery holder for electrically operated devices | Expired / Lapsed | 1945-12-22 | 1950-09-26 | 0 | Details |
| US2473371A | Method of making contacts | Expired / Lapsed | 1945-12-29 | 1949-06-14 | 0 | Details |
| US2468625A | Electrical bridge circuit for testing the value of a resist… | Expired / Lapsed | 1945-10-01 | 1949-04-26 | 0 | Details |
| US2464022A | Electrical unit closure | Expired / Lapsed | 1945-06-15 | 1949-03-08 | 0 | Details |
| US2460903A | Motor starting capacitor assembly | Expired / Lapsed | 1945-05-21 | 1949-02-08 | 0 | Details |
| US2447979A | Copper base alloy for metal evaporation | Expired / Lapsed | 1944-07-06 | 1948-08-24 | 0 | Details |
| US2423051A | Selenium depositing machine | Expired / Lapsed | 1945-09-05 | 1947-06-24 | 0 | Details |
| US2393905A | Bearing | Expired / Lapsed | 1943-08-06 | 1946-01-29 | 0 | Details |
| US2391456A | Spark plug electrode | Expired / Lapsed | 1944-01-29 | 1945-12-25 | 0 | Details |
| US2355145A | Welding apparatus | Expired / Lapsed | 1940-12-18 | 1944-08-08 | 0 | Details |
| US2338330A | Apparatus for making tubular rivets | Expired / Lapsed | 1943-05-01 | 1944-01-04 | 0 | Details |
| US2319240A | Electric contact and the like | Expired / Lapsed | 1940-03-19 | 1943-05-18 | 0 | Details |
| US2297608A | Dry electrolytic condenser | Expired / Lapsed | 1938-03-03 | 1942-09-29 | 0 | Details |
| US2294404A | Silver bearing | Expired / Lapsed | 1940-08-22 | 1942-09-01 | 0 | Details |
| US2277107A | Clutch facing | Expired / Lapsed | 1940-01-04 | 1942-03-24 | 0 | Details |
| US2256642A | Electric resistance element | Expired / Lapsed | 1939-03-09 | 1941-09-23 | 0 | Details |
| US2247755A | Electric contact | Expired / Lapsed | 1940-02-03 | 1941-07-01 | 0 | Details |
| US2218162A | Condenser electrode terminal | Expired / Lapsed | 1938-04-14 | 1940-10-15 | 0 | Details |
| US2213312A | Electric contact | Expired / Lapsed | 1940-04-08 | 1940-09-03 | 0 | Details |
| US2202166A | Condenser mounting | Expired / Lapsed | 1937-11-04 | 1940-05-28 | 0 | Details |
| US2187379A | Alloy | Expired / Lapsed | 1939-06-02 | 1940-01-16 | 0 | Details |
| US2186638A | Switch contact | Expired / Lapsed | 1936-05-13 | 1940-01-09 | 0 | Details |
| US2177481A | Switch | Expired / Lapsed | 1934-10-05 | 1939-10-24 | 0 | Details |
| US2166202A | Electric organ | Expired / Lapsed | 1936-12-30 | 1939-07-18 | 0 | Details |
| US2157933A | Silver-indium contact | Expired / Lapsed | 1938-08-06 | 1939-05-09 | 0 | Details |
| US2144959A | Condenser construction | Expired / Lapsed | 1937-09-24 | 1939-01-24 | 0 | Details |
| US2119195A | Constant impedance attenuator | Expired / Lapsed | 1935-11-05 | 1938-05-31 | 0 | Details |