Patent US2650103A successfully refreshed from Google Patents.
US2650103A
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Coupling for lift type draft devices
Assignee: Deere and Co
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Filing: 1951-03-16
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Granted: 1953-08-25
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Expires: 1971-03-16
Abstract
No abstract record available.
Inventors
- 👤 William P Oehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:51
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/06; B62D49/065; A; A01; A01B; A01B59/00; A01B59/002; A01B59/04; A01B59/042; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32975; Y10T403/32983; Y10T403/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US825891A
Cited
US2384245A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-24 | 1957-02-23 | 1957-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-24 | 1961-02-23 | 1961-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-24 | 1965-02-23 | 1965-08-25 | $7700.00 | Window Closed / Lapsed |