US2904341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Levelling mechanism for hillside operating vehicles
Assignee: Deere and Co
•
Filing: 1956-10-22
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Granted: 1959-09-15
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Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Daniel C Heitshu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:28
CPC Classifications
A; A01; A01D; A01D75/00; A01D75/28; A01D75/285; B; B62; B62D; B62D49/00; B62D49/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |