US2462800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doffing mechanism for cotton harvesters
Assignee: Individual
•
Filing: 1943-10-16
•
Granted: 1949-02-22
•
Expires: 1963-10-16
Abstract
No abstract record available.
Inventors
- 👤 Ruby M Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; A01D46/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US887487A
Cited
US976671A
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US1168493A
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US1591082A
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US1616173A
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US1642982A
Cited
US1845431A
Cited
US1965001A
Cited
US2224285A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |