Patent US3238591A successfully refreshed from Google Patents.
US3238591A
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Yarn twist control apparatus and method
Assignee: Spunize Co of America Inc
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Filing: 1963-09-17
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Granted: 1966-03-08
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Expires: 1983-09-17
Abstract
No abstract record available.
Inventors
- 👤 Rosenstein Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:05
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12; D02G1/125
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
IN A PROCESS FOR TEXTURIZING YARN IN A TEXTURIZING APPARATUS HAVING A TENDENCY PERIODICALLY TO BACK UP THE TWIST AND THUS TO CREATE PERIODIC NON-UNIFORMITY OF TWIST, A PROCESS FOR RENDERING UNIFORM THE AMOUNT OF TWIST PER UNIT LENGTH OF SAID YARN, SAID PROCESS INCLUDING PASSING SAID YAR OVER A PLURALITY OF ROLLING SURFACES SPACED APART FROM ONE ANOTHER UPSTREAM AND DOWNSTREAM ALONG THE YARN PATH AND ALSO DISPLACED IN A DIRECTION PERPENDICULAR TO SAID PATH, THE DOWNSTREAM ROLLING SURFACE BEING LOCATED CLOSELY ADJACENT TO THE TEXTURIZING APPARATUS.
References Cited (Backward Citations)
US1961952A
Cited
US2811770A
Cited
US2938259A
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US3009310A
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US3101521A
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US3078542A
Cited
US3103903A
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US3120692A
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US3178794A
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US3145429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |