Patent US2775926A successfully refreshed from Google Patents.
US2775926A
Expired / Lapsed
US
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Cotton thinning machine
Assignee: Individual
•
Filing: 1954-08-06
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Granted: 1957-01-01
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Expires: 1974-08-06
Abstract
No abstract record available.
Inventors
- 👤 Marvin L Blackstock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:34
CPC Classifications
A; A01; A01B; A01B41/00; A01B41/04; Y; Y10; Y10S; Y10S172/00; Y10S172/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US658460A
Cited
GB245275A
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US2043076A
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US2516794A
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US2479510A
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US2621460A
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US2654199A
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US2645989A
Cited
US2649721A
Cited
US2640405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-01 | 1960-07-02 | 1961-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-01 | 1964-07-02 | 1965-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-01 | 1968-07-02 | 1969-01-01 | $7700.00 | Window Closed / Lapsed |