Patent US2658693A successfully refreshed from Google Patents.
US2658693A
Expired / Lapsed
US
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Winding mechanism
Assignee: Twin Disc Inc
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Filing: 1950-02-28
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Granted: 1953-11-10
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Expires: 1970-02-28
Abstract
No abstract record available.
Inventors
- 👤 Lloyd J Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:46
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2153997A
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US2181373A
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US2326570A
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US2448249A
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US2494466A
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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) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |