Patent US2882675A successfully refreshed from Google Patents.
US2882675A
Expired / Lapsed
US
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Plying and twisting of yarns
Assignee: Celanese Corp
•
Filing: 1955-02-02
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Granted: 1959-04-21
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Expires: 1975-02-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Tingas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:40
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/26; D02G3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US573676A
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US1350812A
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US2061498A
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US2053609A
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US2098931A
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US2177039A
Cited
US2306401A
Cited
US2346358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |