US2579086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic angling mechanism for disk harrow gangs
Assignee: Deere and Co
•
Filing: 1945-04-28
•
Granted: 1951-12-18
•
Expires: 1965-04-28
Abstract
No abstract record available.
Inventors
- 👤 William P Oehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:35
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/04; A01B23/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1191762A
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US2292961A
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US2338698A
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US2303325A
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US2319458A
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US2392018A
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US2426498A
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US2402682A
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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) | 1954-12-17 | 1955-06-18 | 1955-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-17 | 1959-06-18 | 1959-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-17 | 1963-06-18 | 1963-12-18 | $7700.00 | Window Closed / Lapsed |