Patent US2754742A successfully refreshed from Google Patents.
US2754742A
Expired / Lapsed
US
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Draft and position control hitch device
Assignee: Deere and Co
•
Filing: 1951-11-09
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Granted: 1956-07-17
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Expires: 1971-11-09
Abstract
No abstract record available.
Inventors
- 👤 Herman E Altgelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:44
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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US2223002A
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US2347898A
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US2273875A
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US2356231A
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US2405980A
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US2455727A
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US2437875A
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US2460847A
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US2631515A
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US2611306A
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US2611307A
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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) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |