Patent US3323191A successfully refreshed from Google Patents.
US3323191A
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Yarn stringing up process
Assignee: British Nylon Spinners Ltd
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Filing: 1965-05-20
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Granted: 1967-06-06
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Expires: 1985-05-20
Abstract
No abstract record available.
Inventors
- 👤 Davies Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:17
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/225; D02J1/226; D01; D01D; D01D10/00; D01D10/04; D01D10/0436; D01D10/0445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A PROCESS FOR STRINGING UP A YARN FORWARDING DEVICE HAVING AT LEAST ONE ROTATING DRIVEN ROLL WHICH HAS A LOW FRICTION SURFACE ON THE OUTSIDE END SECTION THEREOF AND THE REMAINDER OF THE ROLL HAVING A HIGH FRICTION SURFACE, THE IMPROVEMENT COMPRISING STRINGING UP THE YARN THE REQUISITE NUMBER OF WRAPS ONTO THE OUTSIDE LOW FRICTION SURFACE OF SAID DRIVE ROLL AND SUBSEQUENTLY GUIDING SAID YARN ONTO THE HIGH FRICTION INSIDE SURFACE WHEREBY YARN BEING SUBSEQUENTLY PROCESSED WILL INITIALLY CONTACT THE HIGH FRICTION SURFACE PRIOR TO BEING REMOVED FROM THE OUTSIDE LOW FRICTION SURFACE.
Claim 2
Dependent Claim
95 words
IN A PROCESS FOR STRINGING UP A YARN FORWARDING DEVICE HAVING AT LEAST ONE ROTATING DRIVEN ROLL WHICH HAS A LOW FRICTION SURFACE ON THE OUTSIDE END SECTION THEREOF AND THE REMAINDER OF THE ROLL HAVING A HIGH FRICTION SURFACE, THE IMPROVEMENT COMPRISING STRINGING UP THE YARN THE REQUISITE NUMBER OF WRAPS ONTO THE OUTSIDE LOW FRICTION SURFACE OF SAID DRIVE ROLL AND SUBSEQUENTLY GUIDING SAID YARN ONTO THE HIGH FRICTION INSIDE SURFACE WHEREBY YARN BEING SUBSEQUENTLY PROCESSED WILL INITIALLY CONTACT THE HIGH FRICTION SURFACE PRIOR TO BEING REMOVED FROM THE OUTSIDE LOW FRICTION SURFACE.
References Cited (Backward Citations)
US3020621A
Cited
US3166822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |