US2495463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power winch
Assignee: Keppel LeTourneau USA Inc
•
Filing: 1945-03-13
•
Granted: 1950-01-24
•
Expires: 1965-03-13
Abstract
No abstract record available.
Inventors
- 👤 Tourneau Robert G Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:57
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/02; B66D1/14; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0158
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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DE579061C
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US1964262A
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US2138393A
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US2321905A
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US2334167A
Cited
US2326935A
Cited
US2376972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-23 | 1953-07-25 | 1954-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-23 | 1957-07-25 | 1958-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-23 | 1961-07-25 | 1962-01-24 | $7700.00 | Window Closed / Lapsed |