US2763898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of textile fibers
Assignee: Acordis UK Ltd
•
Filing: 1951-05-25
•
Granted: 1956-09-25
•
Expires: 1971-05-25
Abstract
No abstract record available.
Inventors
- 👤 Sammons Charles William
- 👤 Mortimer George Ernest
- 👤 Fisher James Wotherspoon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:02
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US940630A
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US2263712A
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US2311174A
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US2394165A
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US2508489A
Cited
US2504183A
Cited
US2514557A
Cited
US2575781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |