Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2226491A | Self-locking screw, bolt, nut, or the like | CONTINENTAL SCREW Co | Expired / Lapsed | 1939-08-10 | 1940-12-24 | 1959-08-10 | 0.0 yrs | 0 | |
| US2140449A | Screw with socketed head and plurality of slots | CONTINENTAL SCREW Co | Expired / Lapsed | 1937-02-10 | 1938-12-13 | 1957-02-10 | 0.0 yrs | 0 |