US2671880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor controlled winch
Assignee: NEW ENGLAND TRAWLER EQUIPMENT
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Filing: 1950-09-23
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Granted: 1954-03-09
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Expires: 1970-09-23
Abstract
No abstract record available.
Inventors
- 👤 Ralph F Symonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:53
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/02; B66D1/12; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2005663A
Cited
US2042937A
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US2042762A
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US2221835A
Cited
US2414473A
Cited
US2412776A
Cited
US2489832A
Cited
US2468092A
Cited
US2493005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-08 | 1957-09-07 | 1958-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-08 | 1961-09-07 | 1962-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-08 | 1965-09-07 | 1966-03-09 | $7700.00 | Window Closed / Lapsed |