US2930585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable winch
Assignee: IRVIN L PEARCE
•
Filing: 1952-05-06
•
Granted: 1960-03-29
•
Expires: 1972-05-06
Abstract
No abstract record available.
Inventors
- 👤 William C Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:13
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/02; B66D1/14; B66D1/20; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/015
Claims Analysis
Total Claims: 0
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US2270271A
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US2619322A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |