US2930177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cotton picking unit with cleaning and separating means
Assignee: Deere and Co
•
Filing: 1956-08-28
•
Granted: 1960-03-29
•
Expires: 1976-08-28
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:59
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; A01D46/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1078328A
Cited
US1668247A
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US1828534A
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US2484524A
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US2692469A
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US2754650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |