US2008687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic tension winch
Assignee: Individual
•
Filing: 1934-03-08
•
Granted: 1935-07-23
•
Expires: 1954-03-08
Abstract
No abstract record available.
Inventors
- 👤 Walter C Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:35
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/28; B66D1/40; B66D1/48; B66D2700/00; B66D2700/01; B66D2700/0108; Y; Y10; Y10S; Y10S254/00; Y10S254/90; Y10S60/00; Y10S60/905; Y10S60/907; Y10S60/911
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1938-07-22 | 1939-01-21 | 1939-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-07-22 | 1943-01-21 | 1943-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-07-22 | 1947-01-21 | 1947-07-23 | $7700.00 | Window Closed / Lapsed |