Wingfoot Corp
Wingfoot CActive Patents
0
Total Holdings
77
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2657884A | Fuel cell | Expired / Lapsed | 1950-11-09 | 1953-11-03 | 0 | Details |
| US2657716A | Inflatable fabric segment of curved configuration | Expired / Lapsed | 1950-10-28 | 1953-11-03 | 0 | Details |
| US2626422A | Lateral stretching of thermoelastic films | Expired / Lapsed | 1950-02-28 | 1953-01-27 | 0 | Details |
| US2626941A | Water impermeable, water vapor permeable coating | Expired / Lapsed | 1949-08-15 | 1953-01-27 | 2 | Details |
| US2625535A | Elastomeric diisocyanate modified polyesters | Expired / Lapsed | 1952-09-29 | 1953-01-13 | 1 | Details |
| US2625532A | Isocyanate modified polymers | Expired / Lapsed | 1950-09-29 | 1953-01-13 | 2 | Details |
| US2625531A | Isocyanate modified polymers | Expired / Lapsed | 1950-09-29 | 1953-01-13 | 2 | Details |
| US2622380A | Method of wrapping articles | Expired / Lapsed | 1949-09-19 | 1952-12-23 | 0 | Details |
| US2615826A | Article comprising cord bonded to rubber by a vinylpyridine… | Expired / Lapsed | 1946-08-02 | 1952-10-28 | 2 | Details |
| US2612966A | Polyethylene air filter | Expired / Lapsed | 1950-03-29 | 1952-10-07 | 2 | Details |
| US2597976A | Gasket | Expired / Lapsed | 1949-10-11 | 1952-05-27 | 2 | Details |
| US2594229A | Laminated stretched film | Expired / Lapsed | 1950-07-21 | 1952-04-22 | 4 | Details |
| US2594217A | Sponge rubber containing wax | Expired / Lapsed | 1949-10-01 | 1952-04-22 | 2 | Details |
| US2594144A | Method of preparation of aromatic linear polyesters | Expired / Lapsed | 1949-01-22 | 1952-04-22 | 2 | Details |
| US2575577A | Waterproofed fabric and method of producing it | Expired / Lapsed | 1946-10-31 | 1951-11-20 | 2 | Details |
| US2554160A | Method of producing tear-tape construction | Expired / Lapsed | 1949-05-04 | 1951-05-22 | 0 | Details |
| US2554157A | Package | Expired / Lapsed | 1948-07-26 | 1951-05-22 | 0 | Details |
| US2494319A | Booster brake system | Expired / Lapsed | 1947-10-09 | 1950-01-10 | 0 | Details |
| US2491423A | Package | Expired / Lapsed | 1947-09-20 | 1949-12-13 | 0 | Details |
| US2491424A | Packaging apparatus | Expired / Lapsed | 1947-08-18 | 1949-12-13 | 0 | Details |
| US2484608A | Lightweight container | Expired / Lapsed | 1945-11-30 | 1949-10-11 | 0 | Details |
| US2459125A | Film of copolymer of vinylidene chloride and vinyl chloride | Expired / Lapsed | 1944-10-24 | 1949-01-11 | 0 | Details |
| US2446976A | Stabilization of vinyl resins | Expired / Lapsed | 1944-08-28 | 1948-08-10 | 0 | Details |
| US2444831A | Extruding apparatus | Expired / Lapsed | 1944-06-19 | 1948-07-06 | 0 | Details |
| US2439369A | Condensation derivatives of rubber | Expired / Lapsed | 1943-11-15 | 1948-04-06 | 0 | Details |
| US2438089A | Packaging | Expired / Lapsed | 1946-08-27 | 1948-03-16 | 0 | Details |
| US2434231A | Method of manufacturing cast vinyl resin film, sheeting, an… | Expired / Lapsed | 1944-12-26 | 1948-01-06 | 0 | Details |
| US2432630A | Pneumatic tire | Expired / Lapsed | 1942-08-08 | 1947-12-16 | 0 | Details |
| US2429177A | Stretching and laminating film | Expired / Lapsed | 1940-07-25 | 1947-10-14 | 0 | Details |
| US2421828A | Fast charge unit | Expired / Lapsed | 1945-01-19 | 1947-06-10 | 0 | Details |
| US2401987A | Bonding metal to plywood | Expired / Lapsed | 1943-10-30 | 1946-06-11 | 0 | Details |
| US2400444A | Stop nut | Expired / Lapsed | 1943-06-21 | 1946-05-14 | 0 | Details |
| US2400390A | Package | Expired / Lapsed | 1941-07-30 | 1946-05-14 | 0 | Details |
| US2392972A | Coated paper | Expired / Lapsed | 1944-11-15 | 1946-01-15 | 0 | Details |
| US2392992A | Suit and method of making | Expired / Lapsed | 1943-09-15 | 1946-01-15 | 0 | Details |
| US2386694A | Chemical compound | Expired / Lapsed | 1944-07-05 | 1945-10-09 | 0 | Details |
| US2385535A | Package | Expired / Lapsed | 1943-07-01 | 1945-09-25 | 0 | Details |
| US2367443A | Process of forming an end closure | Expired / Lapsed | 1940-08-01 | 1945-01-16 | 0 | Details |
| US2362653A | Method and apparatus for treating rubber articles prior to … | Expired / Lapsed | 1942-10-29 | 1944-11-14 | 0 | Details |
| US2343828A | Safety tube | Expired / Lapsed | 1940-01-26 | 1944-03-07 | 0 | Details |
| US2343106A | Lap joint | Expired / Lapsed | 1943-03-13 | 1944-02-29 | 0 | Details |
| US2343117A | Heat seal and equipment therefor, etc. | Expired / Lapsed | 1942-01-14 | 1944-02-29 | 0 | Details |
| US2342977A | Packaging | Expired / Lapsed | 1940-08-02 | 1944-02-29 | 0 | Details |
| US2340260A | Packaging eggs and the like | Expired / Lapsed | 1940-07-12 | 1944-01-25 | 0 | Details |
| US2331795A | Tire | Expired / Lapsed | 1940-12-18 | 1943-10-12 | 0 | Details |
| US2331762A | Packaging | Expired / Lapsed | 1940-06-15 | 1943-10-12 | 0 | Details |
| US2328844A | Coated rubber hydrochloride film | Expired / Lapsed | 1941-09-29 | 1943-09-07 | 0 | Details |
| US2328843A | Making stretched film | Expired / Lapsed | 1940-08-03 | 1943-09-07 | 0 | Details |
| US2328798A | Method of lining | Expired / Lapsed | 1940-06-13 | 1943-09-07 | 0 | Details |
| US2328534A | Rubber derivative product | Expired / Lapsed | 1939-12-30 | 1943-08-31 | 0 | Details |
| US2301128A | Bag | Expired / Lapsed | 1940-07-09 | 1942-11-03 | 0 | Details |
| US2301086A | Stretch-wrap method and product | Expired / Lapsed | 1940-06-14 | 1942-11-03 | 0 | Details |
| US2293568A | Process for laminating rubber hydrochloride to paper | Expired / Lapsed | 1940-06-22 | 1942-08-18 | 0 | Details |
| US2293589A | Package | Expired / Lapsed | 1936-09-23 | 1942-08-18 | 0 | Details |
| US2289668A | Wrapping | Expired / Lapsed | 1940-08-02 | 1942-07-14 | 0 | Details |
| US2289618A | Sealing device and method | Expired / Lapsed | 1940-01-16 | 1942-07-14 | 0 | Details |
| US2282258A | Plasticized and nonplasticized double wall bag | Expired / Lapsed | 1940-06-07 | 1942-05-05 | 0 | Details |
| US2273452A | Method of uniting surfaces | Expired / Lapsed | 1938-07-26 | 1942-02-17 | 0 | Details |
| US2259347A | Laminating film | Expired / Lapsed | 1940-05-10 | 1941-10-14 | 0 | Details |
| US2256156A | Packaging | Expired / Lapsed | 1939-07-12 | 1941-09-16 | 0 | Details |
| US2254926A | Device for supporting tires in vulcanizers | Expired / Lapsed | 1937-08-18 | 1941-09-02 | 0 | Details |
| US2238342A | Heat sealing rubber hydrochloride | Expired / Lapsed | 1938-08-16 | 1941-04-15 | 0 | Details |
| US2229582A | Treatment of latex, etc. | Expired / Lapsed | 1936-05-16 | 1941-01-21 | 0 | Details |
| US2188286A | Laminated rubber gasket | Expired / Lapsed | 1937-03-12 | 1940-01-23 | 0 | Details |
| US2188283A | Rubber product and method of producing the same | Expired / Lapsed | 1935-07-05 | 1940-01-23 | 0 | Details |
| US2167634A | Package | Expired / Lapsed | 1933-08-16 | 1939-08-01 | 0 | Details |
| US2146218A | Flanged hose | Expired / Lapsed | 1935-12-28 | 1939-02-07 | 0 | Details |
| US2092720A | Means for masticating plastics or the like | Expired / Lapsed | 1935-01-30 | 1937-09-07 | 0 | Details |
| US2084011A | Resinous mercaptazole derivatives | Expired / Lapsed | 1935-05-23 | 1937-06-15 | 0 | Details |
| US2078910A | Adhesion of rubber | Expired / Lapsed | 1934-09-28 | 1937-04-27 | 0 | Details |
| US2078526A | Method of manufacturing rubber hydrochloride films | Expired / Lapsed | 1933-08-18 | 1937-04-27 | 0 | Details |
| US2070525A | Method and apparatus for making inner tubes | Expired / Lapsed | 1934-10-26 | 1937-02-09 | 0 | Details |
| US2054454A | Molded product | Expired / Lapsed | 1933-08-12 | 1936-09-15 | 0 | Details |
| US2007825A | Vented rubber article | Expired / Lapsed | 1932-08-31 | 1935-07-09 | 0 | Details |
| US1969221A | Marking machine | Expired / Lapsed | 1929-06-21 | 1934-08-07 | 0 | Details |
| US1952469A | Combination product | Expired / Lapsed | 1931-01-17 | 1934-03-27 | 0 | Details |
| US1934647A | Extruding machine for plastic material | Expired / Lapsed | 1930-12-10 | 1933-11-07 | 0 | Details |