US2954352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising cellulose triacetate and a polyoxamide
Assignee: Acordis UK Ltd
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Filing: 1957-11-21
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Granted: 1960-09-27
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Expires: 1977-11-21
Abstract
No abstract record available.
Inventors
- 👤 Cooke Victor Francis George
- 👤 Fisher James Wotherspoon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:47
CPC Classifications
C; C08; C08L; C08L77/00; C08L77/06; C08L1/00; C08L1/08; C08L1/10; C08L1/12; D; D01; D01F; D01F2/00; D01F2/24; D01F2/28; D01F2/30; D01F6/00; D01F6/88; D01F6/90; C08L2666/00; C08L2666/02; C08L2666/14; C08L2666/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |