Patent US2935147A successfully refreshed from Google Patents.
US2935147A
Expired / Lapsed
US
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Hitch device
Assignee: Deere and Co
•
Filing: 1955-08-01
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Granted: 1960-05-03
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Expires: 1975-08-01
Abstract
No abstract record available.
Inventors
- 👤 John H Edman
- 👤 Charles H Artus
- 👤 John G Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:41
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/04; A01B59/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2731898A
Cited
US2145007A
Cited
US2513783A
Cited
US2660938A
Cited
US2646713A
Cited
US2707424A
Cited
US2611304A
Cited
US2783058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |