US2756117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bolsters for spinning frames
Assignee: Individual
•
Filing: 1952-03-13
•
Granted: 1956-07-24
•
Expires: 1972-03-13
Abstract
No abstract record available.
Inventors
- 👤 Louis M Cotchett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:18
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/04; D01H7/08; D01H7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US590320A
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US701709A
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US863284A
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US2034670A
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US2044890A
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US2104216A
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US2119990A
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US2351951A
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US2410388A
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US2611666A
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US2622949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |