Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3227311A | Fail-safe product delivery system | Scully Signal Co | Expired / Lapsed | 1962-09-28 | 1966-01-04 | 1982-09-28 | 0.0 yrs | 2 | |
| US2807008A | Fail-safe system and technique | Scully Signal Co | Expired / Lapsed | 1956-05-08 | 1957-09-17 | 1976-05-08 | 0.0 yrs | 0 | |
| US2807009A | Fail-safe system and technique | Scully Signal Co | Expired / Lapsed | 1956-05-08 | 1957-09-17 | 1976-05-08 | 0.0 yrs | 0 | |
| US2807010A | Fail-safe apparatus and technique | Scully Signal Co | Expired / Lapsed | 1956-05-08 | 1957-09-17 | 1976-05-08 | 0.0 yrs | 0 | |
| US2249180A | Audible signaling device for use with tanks | Scully Signal Co | Expired / Lapsed | 1939-09-26 | 1941-07-15 | 1959-09-26 | 0.0 yrs | 0 |