Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2559227A | Shock wave generator | INTERVAL INSTR Inc | Expired / Lapsed | 1947-05-24 | 1951-07-03 | 1967-05-24 | 0.0 yrs | 0 | |
| US2424773A | Locating device | INTERVAL INSTR Inc | Expired / Lapsed | 1944-02-26 | 1947-07-29 | 1964-02-26 | 0.0 yrs | 0 | |
| US2424633A | Acoustic reservoir for use in a magnetic sound recording and reproducing system | INTERVAL INSTR Inc | Expired / Lapsed | 1944-05-19 | 1947-07-29 | 1964-05-19 | 0.0 yrs | 0 |