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US3007531A
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Plow reversible by vane type hydraulic motor
Assignee: Deere and Co
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Filing: 1958-07-17
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Granted: 1961-11-07
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Expires: 1978-07-17
Abstract
No abstract record available.
Inventors
- 👤 Walter H Silver
- 👤 Bruno B Johannsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:46
CPC Classifications
A; A01; A01B; A01B3/00; A01B3/36; A01B3/40; A01B3/42; A01B3/421
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE548674A
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US2666376A
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US2698563A
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US2714345A
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FR1130163A
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US2900032A
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US2959232A
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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) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |