Patent US2752022A successfully refreshed from Google Patents.
US2752022A
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US
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Dual clutch arrangement
Assignee: COCKSHUTT FARM EQUIPMENT Ltd
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Filing: 1951-11-02
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Granted: 1956-06-26
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Expires: 1971-11-02
Abstract
No abstract record available.
Inventors
- 👤 Wesley A Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:26
CPC Classifications
F; F16; F16D; F16D21/00; F16D21/02; F16D41/00; F16D41/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US638637A
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US966586A
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US1405001A
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US1463613A
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US1514700A
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US1842059A
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US1939974A
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US2156362A
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US2343312A
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US2443491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |