US2741967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hitch devices
Assignee: Deere and Co
•
Filing: 1950-11-20
•
Granted: 1956-04-17
•
Expires: 1970-11-20
Abstract
No abstract record available.
Inventors
- 👤 William P Oehler
- 👤 Charles H Youngberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:50
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/06; A01B59/065; A01B21/00; A01B21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2005555A
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US2048055A
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US2252691A
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US2158780A
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US2228508A
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US2192877A
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US2320168A
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US2320624A
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US2336848A
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US2483565A
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US2576779A
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US2527355A
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US2489274A
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US2619889A
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US2662459A
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US2697973A
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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) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |