Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2715189A | Apparatus for emitting and receiving elastic waves | Umicore NV SA | Expired / Lapsed | 1951-09-11 | 1955-08-09 | 1971-09-11 | 0.0 yrs | 0 | |
| US2709597A | Magnetic sound recording apparatus | Umicore NV SA | Expired / Lapsed | 1951-06-20 | 1955-05-31 | 1971-06-20 | 0.0 yrs | 0 | |
| US2532507A | Feeler for elastic waves | Umicore NV SA | Expired / Lapsed | 1946-07-18 | 1950-12-05 | 1966-07-18 | 0.0 yrs | 0 |