Guardian Electric Manufacturing Co
Guardian EActive Patents
0
Total Holdings
14
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3230490A | Coil bobbin and matching cover | Expired / Lapsed | 1962-11-09 | 1966-01-18 | 2 | Details |
| US2936780A | Combination solenoid valve and pressure switch | Expired / Lapsed | 1956-04-02 | 1960-05-17 | 0 | Details |
| US2701870A | Terminal lug and block for relays | Expired / Lapsed | 1951-04-09 | 1955-02-08 | 0 | Details |
| US2686233A | Multiple position switch | Expired / Lapsed | 1952-08-09 | 1954-08-10 | 0 | Details |
| US2649947A | Coin-controlled crediting and debiting apparatus for vendin… | Expired / Lapsed | 1947-07-09 | 1953-08-25 | 0 | Details |
| US2481033A | Selector-stepper switch | Expired / Lapsed | 1944-04-17 | 1949-09-06 | 0 | Details |
| US2378784A | Snap-action switch | Expired / Lapsed | 1943-03-15 | 1945-06-19 | 0 | Details |
| US2323840A | Relay operated stepper assembly | Expired / Lapsed | 1940-07-22 | 1943-07-06 | 0 | Details |
| US2295266A | Socket for plug-in devices | Expired / Lapsed | 1941-08-18 | 1942-09-08 | 0 | Details |
| US2290489A | Relay | Expired / Lapsed | 1939-12-26 | 1942-07-21 | 0 | Details |
| US2274992A | Electrical timing circuit | Expired / Lapsed | 1940-02-26 | 1942-03-03 | 0 | Details |
| US2208225A | Relay | Expired / Lapsed | 1939-04-05 | 1940-07-16 | 0 | Details |
| US2171044A | Switch | Expired / Lapsed | 1937-03-09 | 1939-08-29 | 0 | Details |
| US2157428A | Plug and jack construction | Expired / Lapsed | 1937-06-21 | 1939-05-09 | 0 | Details |