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Patent US2451260A successfully refreshed from Google Patents.
US2451260A
Expired / Lapsed
US
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Intermediate feed for carding machines
Assignee: Individual
•
Filing: 1945-06-07
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Granted: 1948-10-12
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Expires: 1965-06-07
Abstract
No abstract record available.
Inventors
- 👤 William G Tucker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:35
CPC Classifications
D; D01; D01G; D01G15/00; D01G15/02; D01G15/12; D01G15/40; D01G15/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189817210A
Cited
GB191424258A
Cited
GB122342A
Cited
FR570605A
Cited
US1602465A
Cited
GB354518A
Cited
US2137512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-12 | 1952-04-12 | 1952-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-12 | 1956-04-12 | 1956-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-12 | 1960-04-12 | 1960-10-12 | $7700.00 | Window Closed / Lapsed |