Patent US2690086A successfully refreshed from Google Patents.
US2690086A
Expired / Lapsed
US
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Transmission
Assignee: Doosan Bobcat North America Inc
•
Filing: 1951-08-21
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Granted: 1954-09-28
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Expires: 1971-08-21
Abstract
No abstract record available.
Inventors
- 👤 Charles A Cook
- 👤 Ernest E Eaton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:24
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/04; F16H37/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2123769A
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US2134109A
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US2288206A
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US2314833A
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US2341756A
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US2459705A
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FR929571A
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US2488756A
Cited
GB626019A
Cited
US2494505A
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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) | 1957-09-27 | 1958-03-29 | 1958-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-27 | 1962-03-29 | 1962-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-27 | 1966-03-29 | 1966-09-28 | $7700.00 | Window Closed / Lapsed |