Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3195432A | Camera focusing device for use with photographic and cinematographic cameras | Societe dOptique et de Mecanique de Haute Precision | Expired / Lapsed | 1960-12-20 | 1965-07-20 | 1980-12-20 | 0.0 yrs | 0 | |
| FR1074173A | Observation and control device | Societe dOptique et de Mecanique de Haute Precision | Expired / Lapsed | 1953-02-12 | 1954-10-04 | 1973-02-12 | 0.0 yrs | 0 | |
| US1325936A | Apparatus for rendering the true or apparent focal length of objectives independent of changes of temperature. | Societe dOptique et de Mecanique de Haute Precision | Expired / Lapsed | 1919-04-16 | 1919-12-23 | 1939-04-16 | 0.0 yrs | 0 |