Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2264324A | Method of making separable fasteners | WHITEHALL PATENTS Corp | Expired / Lapsed | 1938-08-11 | 1941-12-02 | 1958-08-11 | 0.0 yrs | 0 | |
| US2218090A | Method of manufacturing separable fasteners | WHITEHALL PATENTS Corp | Expired / Lapsed | 1937-11-17 | 1940-10-15 | 1957-11-17 | 0.0 yrs | 0 | |
| US2160160A | Slider for separable fasteners | WHITEHALL PATENTS Corp | Expired / Lapsed | 1937-05-17 | 1939-05-30 | 1957-05-17 | 0.0 yrs | 0 | |
| US2026904A | Method of manufacturing fastener devices | WHITEHALL PATENTS Corp | Expired / Lapsed | 1933-12-20 | 1936-01-07 | 1953-12-20 | 0.0 yrs | 0 |