Fram Corp
Fram CorpActive Patents
0
Total Holdings
11
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2720279A | Pleated paper carburetor air filter | Expired / Lapsed | 1953-04-02 | 1955-10-11 | 0 | Details |
| US2683537A | Pleated filter element | Expired / Lapsed | 1949-06-11 | 1954-07-13 | 0 | Details |
| US2556521A | Filter element | Expired / Lapsed | 1946-11-14 | 1951-06-12 | 0 | Details |
| US2533192A | Seal for filter cartridges | Expired / Lapsed | 1948-06-10 | 1950-12-05 | 0 | Details |
| US2455486A | Liquid filtration | Expired / Lapsed | 1943-07-10 | 1948-12-07 | 0 | Details |
| US2423224A | Filter cartridge package | Expired / Lapsed | 1944-12-28 | 1947-07-01 | 0 | Details |
| US2354238A | Oil filter | Expired / Lapsed | 1941-08-09 | 1944-07-25 | 0 | Details |
| US2294262A | Filter cartridge gasket | Expired / Lapsed | 1939-10-03 | 1942-08-25 | 0 | Details |
| US2280033A | Filter cartridge mounting | Expired / Lapsed | 1939-07-20 | 1942-04-14 | 0 | Details |
| US2277738A | Mounting device for oil filters | Expired / Lapsed | 1939-08-04 | 1942-03-31 | 0 | Details |
| US2277737A | Oil filter mounting | Expired / Lapsed | 1939-08-04 | 1942-03-31 | 0 | Details |