US1792401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chain tongs
Assignee: GEARENCH Manufacturing Co
•
Filing: 1929-02-04
•
Granted: 1931-02-10
•
Expires: 1949-02-04
Abstract
No abstract record available.
Inventors
- 👤 Sorensen Sam
- 👤 Peterson Joseph Arvid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:24
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/48; B25B13/50; B25B13/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1934-02-09 | 1934-08-11 | 1935-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-02-09 | 1938-08-11 | 1939-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-02-09 | 1942-08-11 | 1943-02-10 | $7700.00 | Window Closed / Lapsed |