AUTOMATIC SIGNAL Corp
AUTOMATICActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| CA464518A | Traffic detector | Expired / Lapsed | — | 1950-04-18 | 0 | Details |
| US2297683A | Traffic actuated control apparatus | Expired / Lapsed | 1941-04-16 | 1942-10-06 | 0 | Details |
| US2292714A | Cyclic circuit controller | Expired / Lapsed | 1939-08-19 | 1942-08-11 | 0 | Details |
| US2288601A | Traffic cycle selector apparatus | Expired / Lapsed | 1940-08-02 | 1942-07-07 | 0 | Details |
| US2241047A | Traffic control system and apparatus | Expired / Lapsed | 1936-02-20 | 1941-05-06 | 0 | Details |
| US2201146A | Traffic detector | Expired / Lapsed | 1937-08-14 | 1940-05-21 | 0 | Details |
| US2178112A | Control apparatus | Expired / Lapsed | 1936-12-23 | 1939-10-31 | 0 | Details |
| US2127080A | Timer | Expired / Lapsed | 1936-01-07 | 1938-08-16 | 0 | Details |
| US2100831A | Traffic control system | Expired / Lapsed | 1937-02-04 | 1937-11-30 | 0 | Details |