Patent Explorer
Browse, filter, and analyze 2 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2643109A | Spring device | General Spring Corp | Expired / Lapsed | 1945-05-28 | 1953-06-23 | 1965-05-28 | 0.0 yrs | 0 | |
| US2335833A | Supporting and bracing device | General Spring Corp | Expired / Lapsed | 1942-03-09 | 1943-11-30 | 1962-03-09 | 0.0 yrs | 0 |