Patent US2672719A successfully refreshed from Google Patents.
US2672719A
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Cotton harvester with cleaning means
Assignee: JAMES M STURDEVANT
•
Filing: 1951-10-04
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Granted: 1954-03-23
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Expires: 1971-10-04
Abstract
No abstract record available.
Inventors
- 👤 Francis M Wagnon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:25
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; A01D46/10
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |