Patent US2959073A successfully refreshed from Google Patents.
US2959073A
Expired / Lapsed
US
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Shaft retainer for epicyclic gearing and the like
Assignee: Deere and Co
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Filing: 1958-03-31
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Granted: 1960-11-08
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Richard E Doerfer
- 👤 Vernon L Rugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:06
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/08; F16H57/082; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/18; F16B21/186; F16H1/00; F16H1/28; F16H57/02; F16H57/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |