US2795178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Four point hitch device
Assignee: Deere and Co
•
Filing: 1953-08-28
•
Granted: 1957-06-11
•
Expires: 1973-08-28
Abstract
No abstract record available.
Inventors
- 👤 Walter H Silver
- 👤 Orey W Oerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:29
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/06; A01B59/066; A01B59/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2415479A
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US2512836A
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US2590385A
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US2617660A
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US2653823A
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US2691932A
Cited
US2653824A
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US2653825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |