Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2880404A | Compact resonant sonar transducer | Harris Transducer Corp | Expired / Lapsed | 1955-05-13 | 1959-03-31 | 1975-05-13 | 0.0 yrs | 0 | |
| US2812452A | Split cylindrical transducer | Harris Transducer Corp | Expired / Lapsed | 1956-05-22 | 1957-11-05 | 1976-05-22 | 0.0 yrs | 0 | |
| US2758203A | Sonobuoy | Harris Transducer Corp | Expired / Lapsed | 1952-06-28 | 1956-08-07 | 1972-06-28 | 0.0 yrs | 0 | |
| US2725548A | Variable-capacitor transducer | Harris Transducer Corp | Expired / Lapsed | 1951-07-24 | 1955-11-29 | 1971-07-24 | 0.0 yrs | 0 |