US2652230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winch
Assignee: LAKE SHORE ENGINEERING Co
•
Filing: 1949-02-16
•
Granted: 1953-09-15
•
Expires: 1969-02-16
Abstract
No abstract record available.
Inventors
- 👤 Albert C Hoyle
- 👤 Knutson Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:33
CPC Classifications
B; B66; B66C; B66C13/00; B66C13/18; B66C13/22; B66C13/23; B66C13/26; B66D; B66D1/00; B66D1/02; B66D1/12; B66C2700/00; B66C2700/08; B66C2700/081; B66D2700/00; B66D2700/01; B66D2700/0125; B66D2700/0141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE158159C
Cited
US744423A
Cited
US2286778A
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US2406156A
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US2462717A
Cited
US2512017A
Cited
US2489832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |