US2912814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutter bar drive
Assignee: Ford Motor Co
•
Filing: 1957-06-18
•
Granted: 1959-11-17
•
Expires: 1977-06-18
Abstract
No abstract record available.
Inventors
- 👤 Robert H Witt
- 👤 Douglas S Lock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:58
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/30; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/18216
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US142111A
Cited
DE350123C
Cited
US2736156A
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US968046A
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US2548296A
Cited
US2692508A
Cited
US2819618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |