Servel Inc
Servel IncActive Patents
0
Total Holdings
17
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2438487A | Articulated ice tray grid | Expired / Lapsed | 1939-12-12 | 1948-03-30 | 0 | Details |
| US2407721A | Refrigerating apparatus | Expired / Lapsed | 1944-03-23 | 1946-09-17 | 0 | Details |
| US2377782A | Refrigeration | Expired / Lapsed | 1941-08-09 | 1945-06-05 | 0 | Details |
| US2321115A | Air conditioning | Expired / Lapsed | 1940-02-06 | 1943-06-08 | 0 | Details |
| US2321110A | Heat exchanger | Expired / Lapsed | 1936-08-25 | 1943-06-08 | 0 | Details |
| US2320501A | Refrigeration | Expired / Lapsed | 1939-11-03 | 1943-06-01 | 0 | Details |
| US2269101A | Heat transfer system | Expired / Lapsed | 1937-03-20 | 1942-01-06 | 0 | Details |
| US2269099A | Heat transfer system | Expired / Lapsed | 1936-10-23 | 1942-01-06 | 0 | Details |
| US2267279A | Refrigerator | Expired / Lapsed | 1939-11-13 | 1941-12-23 | 0 | Details |
| US2261682A | Refrigeration | Expired / Lapsed | 1937-08-10 | 1941-11-04 | 0 | Details |
| US2261681A | Refrigeration | Expired / Lapsed | 1937-06-17 | 1941-11-04 | 0 | Details |
| US2217875A | Refrigerator | Expired / Lapsed | 1937-05-20 | 1940-10-15 | 0 | Details |
| US2211033A | Air cooling and conditioning apparatus | Expired / Lapsed | 1932-07-29 | 1940-08-13 | 0 | Details |
| US2181376A | Refrigeration | Expired / Lapsed | 1937-06-17 | 1939-11-28 | 0 | Details |
| US2178807A | Refrigeration | Expired / Lapsed | 1935-12-20 | 1939-11-07 | 0 | Details |
| US2066660A | Refrigeration | Expired / Lapsed | 1932-11-12 | 1937-01-05 | 0 | Details |
| US2042355A | Refrigerating system | Expired / Lapsed | 1932-07-23 | 1936-05-26 | 0 | Details |