Patent US3867636A successfully refreshed from Google Patents.
US2697355A
Expired / Lapsed
US
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Power take-off assembly
Assignee: Borg Warner Corp
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Filing: 1951-12-12
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Granted: 1954-12-21
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Expires: 1971-12-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Mcaninch
- 👤 Tharpe Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:48
CPC Classifications
F; F16; F16H; F16H37/00; F16H2700/00; F16H2700/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE464848C
Cited
US1872924A
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US2162979A
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US2094421A
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US2412588A
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US2384399A
Cited
US2640336A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |