Patent US2929112A successfully refreshed from Google Patents.
US2929112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cotton cleaner and separator
Assignee: Individual
•
Filing: 1955-03-21
•
Granted: 1960-03-22
•
Expires: 1975-03-21
Abstract
No abstract record available.
Inventors
- 👤 Marshall N Massey
- 👤 Rue Mark E La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:08
CPC Classifications
D; D01; D01B; D01B1/00; D01B1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1812412A
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GB354938A
Cited
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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) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |