US2844083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hitch device
Assignee: Deere Manufacturing Co
•
Filing: 1953-04-07
•
Granted: 1958-07-22
•
Expires: 1973-04-07
Abstract
No abstract record available.
Inventors
- 👤 Shane Wallace H Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:46
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; A01B63/111; A01B63/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1634501A
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US2515637A
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US2471636A
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US2506773A
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US2512114A
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US2640708A
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DE837329C
Cited
FR1025436A
Cited
US2611304A
Cited
US2697973A
Cited
US2710569A
Cited
US2678596A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |