Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2127687A | Propeller | AMERICAN PROPELLER Co | Expired / Lapsed | 1930-04-23 | 1938-08-23 | 1950-04-23 | 0.0 yrs | 0 | |
| US1843886A | Propeller | AMERICAN PROPELLER Co | Expired / Lapsed | 1929-07-25 | 1932-02-02 | 1949-07-25 | 0.0 yrs | 0 | |
| US1838674A | Airscrew | AMERICAN PROPELLER Co | Expired / Lapsed | 1929-01-25 | 1931-12-29 | 1949-01-25 | 0.0 yrs | 0 | |
| US1821450A | Propelling device for aircraft and the like | AMERICAN PROPELLER Co | Expired / Lapsed | 1928-09-07 | 1931-09-01 | 1948-09-07 | 0.0 yrs | 0 |