Patent Explorer
Browse, filter, and analyze 3 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US2522823A | Automatic tuning of high-frequency electrical seaming apparatus | Union Special Machine Co | Expired / Lapsed | 1946-04-16 | 1950-09-19 | 1966-04-16 | 0.0 yrs | 0 | |
| US2434330A | High-frequency dielectric seaming apparatus | Union Special Machine Co | Expired / Lapsed | 1944-06-06 | 1948-01-13 | 1964-06-06 | 0.0 yrs | 0 | |
| US2432285A | Sewing machine | Union Special Machine Co | Expired / Lapsed | 1945-01-18 | 1947-12-09 | 1965-01-18 | 0.0 yrs | 0 |