Arrow Hart and Hegeman Electric Co
Arrow HartActive Patents
0
Total Holdings
22
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3406295A | Cycling on-off electronic timing system using one relay | Expired / Lapsed | 1965-07-30 | 1968-10-15 | 0 | Details |
| US3348010A | Trigger operated tool handle switch | Expired / Lapsed | 1965-10-24 | 1967-10-17 | 2 | Details |
| US3325657A | Cycling on-off electronic timing system | Expired / Lapsed | 1964-07-29 | 1967-06-13 | 2 | Details |
| US2859302A | Electromagnet and magnetic switch mounting | Expired / Lapsed | 1956-06-14 | 1958-11-04 | 0 | Details |
| US2810050A | Manually releasable locking means for axially movable elect… | Expired / Lapsed | 1955-02-04 | 1957-10-15 | 0 | Details |
| US2770688A | Interlocking cover and switch mechanism | Expired / Lapsed | 1953-11-24 | 1956-11-13 | 0 | Details |
| 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 |
| US2379804A | Holdfast means for screw bolts | Expired / Lapsed | 1943-07-02 | 1945-07-03 | 0 | Details |
| US2377134A | Tilt-type lever-operated switch | Expired / Lapsed | 1943-12-30 | 1945-05-29 | 0 | Details |
| US2344441A | Interchangeable electric apparatus | Expired / Lapsed | 1940-12-11 | 1944-03-14 | 0 | Details |
| US2336389A | Slow make and break switch | Expired / Lapsed | 1942-07-23 | 1943-12-07 | 0 | Details |
| US2335283A | Push-pull switch | Expired / Lapsed | 1941-07-11 | 1943-11-30 | 0 | Details |
| US2283795A | Electric switch construction | Expired / Lapsed | 1938-04-08 | 1942-05-19 | 0 | Details |
| US2273751A | Electric switch with time control mechanism | Expired / Lapsed | 1939-01-07 | 1942-02-17 | 0 | Details |
| US2262712A | Electric attachment plug receptacle | Expired / Lapsed | 1940-10-08 | 1941-11-11 | 0 | Details |
| US2129592A | Resettable switch | Expired / Lapsed | 1937-08-27 | 1938-09-06 | 0 | Details |
| US2064736A | Electrical disconnecting device | Expired / Lapsed | 1936-06-18 | 1936-12-15 | 0 | Details |
| US1885147A | Plural switch operating means | Expired / Lapsed | 1930-10-30 | 1932-11-01 | 0 | Details |
| US1874334A | Locking means for separable electric fittings | Expired / Lapsed | 1929-01-03 | 1932-08-30 | 0 | Details |
| US1747896A | Contact socket | Expired / Lapsed | 1926-12-06 | 1930-02-18 | 0 | Details |