Patent Explorer
Browse, filter, and analyze 5 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2446937A | Echo sounding indicator | International Projector Corp | Expired / Lapsed | 1945-03-10 | 1948-08-10 | 1965-03-10 | 0.0 yrs | 0 | |
| US2287965A | Method and apparatus for the operation of photoelectric cells | International Projector Corp | Expired / Lapsed | 1940-03-16 | 1942-06-30 | 1960-03-16 | 0.0 yrs | 0 | |
| US2257551A | Method and means of producing motion pictures | International Projector Corp | Expired / Lapsed | 1938-02-26 | 1941-09-30 | 1958-02-26 | 0.0 yrs | 0 | |
| US2214901A | Power drive clutch | International Projector Corp | Expired / Lapsed | 1937-06-26 | 1940-09-17 | 1957-06-26 | 0.0 yrs | 0 | |
| US1803465A | Adjustable geneva intermittent | International Projector Corp | Expired / Lapsed | 1928-11-30 | 1931-05-05 | 1948-11-30 | 0.0 yrs | 0 |