US2913865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic leveling mechanism for harvesting machine
Assignee: Individual
•
Filing: 1956-08-17
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Granted: 1959-11-24
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Expires: 1976-08-17
Abstract
No abstract record available.
Inventors
- 👤 Eben H Carruthers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:09
CPC Classifications
A; A01; A01D; A01D41/00; A01D41/12; A01D41/14; A01D41/141; E; E02; E02F; E02F9/00; E02F9/20; E02F9/22; E02F9/2257; B; B60; B60G; B60G2200/00; B60G2200/30; B60G2200/32; B60G2204/00; B60G2204/40; B60G2204/46; B60G2300/00; B60G2300/09
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) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |