US2746370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hitch device
Assignee: Deere and Co
•
Filing: 1952-03-28
•
Granted: 1956-05-22
•
Expires: 1972-03-28
Abstract
No abstract record available.
Inventors
- 👤 Herman E Altgelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:46
CPC Classifications
A; A01; A01B; A01B23/00; A01B23/04; A01B23/043; A01B59/00; A01B59/06; A01B59/066; A01B59/067; A01B73/00; A01B73/02; A01B73/04; A01B73/044; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32081; Y10T403/32254; Y10T403/32262; Y10T403/32418; Y10T403/32606; Y10T403/32819; Y10T403/32852
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1696245A
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US2129745A
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US2239387A
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US2346330A
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US2363749A
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US2579086A
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US2576780A
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GB602887A
Cited
US2561614A
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US2527355A
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US2551870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |