US3199283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strong slub yarn
Assignee: Celanese Corp
•
Filing: 1962-05-28
•
Granted: 1965-08-10
•
Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Malcolm R Livingston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:23
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/32; D01H5/36; D02; D02G; D02G3/00; D02G3/22; D02G3/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A YARN COMPRISING A CONTINUOUS CORE HAVING DISCRETE STAPLE LENGTH FIBERS WRAPPED ABOUT THE SAME, SAID STAPLE LENGTH FIBERS BEING NON-UNIFORMLY DISTRIBUTED ALONG THE LENGTH OF SAID CORE TO FORM PILES OF FIBEERS SPACED APART ALONG THE LENGTH OF SAID CORE, SAID PILES OF FIBERS BEING SECURELY ANCHORED TO SAID CORE BY TWISTING.
Claim 2
Dependent Claim
53 words
A YARN COMPRISING A CONTINUOUS CORE HAVING DISCRETE STAPLE LENGTH FIBERS WRAPPED ABOUT THE SAME, SAID STAPLE LENGTH FIBERS BEING NON-UNIFORMLY DISTRIBUTED ALONG THE LENGTH OF SAID CORE TO FORM PILES OF FIBEERS SPACED APART ALONG THE LENGTH OF SAID CORE, SAID PILES OF FIBERS BEING SECURELY ANCHORED TO SAID CORE BY TWISTING.
References Cited (Backward Citations)
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Cited
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Cited
US1916377A
Cited
US2245641A
Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |