Patent US2900069A successfully refreshed from Google Patents.
US2900069A
Expired / Lapsed
US
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Conveyor feeder for mobile ensilage loader
Assignee: Deere and Co
•
Filing: 1957-05-09
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Granted: 1959-08-18
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Expires: 1977-05-09
Abstract
No abstract record available.
Inventors
- 👤 William F Manns
- 👤 Leo G Cheatum
- 👤 Blaine W Gustafson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:06
CPC Classifications
A; A01; A01D; A01D87/00; A01D87/0038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US984155A
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US1928859A
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US2139834A
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US2124246A
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US2385451A
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US2524633A
Cited
US2584288A
Cited
US2842256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |