US2793740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winch
Assignee: Individual
•
Filing: 1954-02-23
•
Granted: 1957-05-28
•
Expires: 1974-02-23
Abstract
No abstract record available.
Inventors
- 👤 Charles H Daudt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:44
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/60; B66D1/74; B66D1/7421; B66D1/7431; B66D1/7494
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US311370A
Cited
US2742261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |