US2791001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cotton boll separating apparatus
Assignee: Deere and Co
•
Filing: 1952-03-08
•
Granted: 1957-05-07
•
Expires: 1972-03-08
Abstract
No abstract record available.
Inventors
- 👤 Merrill W Roscoe
- 👤 Jack F Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:33
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; B; B07; B07B; B07B4/00; B07B4/02; B07B4/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US373077A
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US531722A
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US891012A
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US1222003A
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US1493292A
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US1688206A
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US1679280A
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US2257097A
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US2699867A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |