Patent US2528102A successfully refreshed from Google Patents.
US2528102A
Expired / Lapsed
US
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Cotton boll pulling machine
Assignee: Individual
•
Filing: 1946-02-27
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Granted: 1950-10-31
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Expires: 1966-02-27
Abstract
No abstract record available.
Inventors
- 👤 William S Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:44
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; A01D46/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US961958A
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US1538023A
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US1767979A
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US1722747A
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US1712606A
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US1793426A
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US2076598A
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US2170573A
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US2445162A
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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) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |