Scully Signal Co
Scully SigActive Patents
0
Total Holdings
11
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3227311A | Fail-safe product delivery system | Expired / Lapsed | 1962-09-28 | 1966-01-04 | 2 | Details |
| US2807009A | Fail-safe system and technique | Expired / Lapsed | 1956-05-08 | 1957-09-17 | 0 | Details |
| US2807008A | Fail-safe system and technique | Expired / Lapsed | 1956-05-08 | 1957-09-17 | 0 | Details |
| US2807010A | Fail-safe apparatus and technique | Expired / Lapsed | 1956-05-08 | 1957-09-17 | 0 | Details |
| US2807011A | Fail-safe technique and system | Expired / Lapsed | 1956-05-08 | 1957-09-17 | 0 | Details |
| US2798214A | Checking technique and system | Expired / Lapsed | 1954-04-23 | 1957-07-02 | 0 | Details |
| US2548734A | Insertable vent pipe | Expired / Lapsed | 1947-11-05 | 1951-04-10 | 0 | Details |
| US2330983A | Liquid level indicating means | Expired / Lapsed | 1941-10-22 | 1943-10-05 | 0 | Details |
| US2281448A | Device for partially obstructing pipes | Expired / Lapsed | 1941-09-17 | 1942-04-28 | 0 | Details |
| US2249180A | Audible signaling device for use with tanks | Expired / Lapsed | 1939-09-26 | 1941-07-15 | 0 | Details |
| US2140559A | Audible signal device | Expired / Lapsed | 1936-10-07 | 1938-12-20 | 0 | Details |