Arrow Hart and Hegeman Electric Co
Arrow HartActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2647974A | Electric switch contact assembly | Expired / Lapsed | 1950-12-01 | 1953-08-04 | 0 | Details |
| US2603725A | Multiple circuit control switch | Expired / Lapsed | 1949-08-02 | 1952-07-15 | 0 | Details |
| US2433710A | Contact structure for electric switches | Expired / Lapsed | 1942-07-15 | 1947-12-30 | 0 | Details |
| US2377134A | Tilt-type lever-operated switch | Expired / Lapsed | 1943-12-30 | 1945-05-29 | 0 | Details |
| US2336389A | Slow make and break switch | Expired / Lapsed | 1942-07-23 | 1943-12-07 | 0 | Details |
| US2283795A | Electric switch construction | Expired / Lapsed | 1938-04-08 | 1942-05-19 | 0 | Details |
| US2262712A | Electric attachment plug receptacle | Expired / Lapsed | 1940-10-08 | 1941-11-11 | 0 | Details |
| US1885147A | Plural switch operating means | Expired / Lapsed | 1930-10-30 | 1932-11-01 | 0 | Details |