US2857137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winch
Assignee: Individual
•
Filing: 1956-04-20
•
Granted: 1958-10-21
•
Expires: 1976-04-20
Abstract
No abstract record available.
Inventors
- 👤 Fillion Romeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:47
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/26; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0166
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US931747A
Cited
US1756804A
Cited
US1932684A
Cited
US2005822A
Cited
US2218368A
Cited
US2361053A
Cited
US2389177A
Cited
US2559832A
Cited
GB616107A
Cited
US2645455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |