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US3271836A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making distorted crimped yarn

Assignee: Spunize Co of America Inc
•
Filing: 1965-04-06
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Granted: 1966-09-13
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Expires: 1985-04-06
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Abstract

No abstract record available.

Inventors

  • 👤 Rosenstein Nathan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 17:41
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 95 words
IN A METHOD OFF MAKING DISTORTED CRIMP SYNTHETIC THERMOPLASTIC YARN THE STEPS WHICH COMPRISE FOLDING SAID YARN UPON ITSELF AND SUBJECTING IT TO PRESSURE WHILE FOLDED, THUS FORMING THE YARN WITH A MULTIPLICITY OF SUCCESSIVE V-SHAPED CRIMPS OF UNEQUAL LENGTHS WHICH ARE SLIGHTLY FLATTENED AT THE APICES OF THE V''S DRAWING THE CRIMPS WHILE UNDER TENSION OVER AND EDGE, AND CONTROLLING SAID TENSION TO AN AMOUNT FOR PHYSICALLY DISTORTING THE APICES OF THE V-SHAPED CRIMPS BY WIPING ACTION UNDER TENSION INTO PORTIONS OF GREATER WIDTH THAN THE DIAMETER OF THE UNCRIMPED PORTION OF THE YARN.
Claim 2
Dependent Claim 95 words
IN A METHOD OFF MAKING DISTORTED CRIMP SYNTHETIC THERMOPLASTIC YARN THE STEPS WHICH COMPRISE FOLDING SAID YARN UPON ITSELF AND SUBJECTING IT TO PRESSURE WHILE FOLDED, THUS FORMING THE YARN WITH A MULTIPLICITY OF SUCCESSIVE V-SHAPED CRIMPS OF UNEQUAL LENGTHS WHICH ARE SLIGHTLY FLATTENED AT THE APICES OF THE V''S DRAWING THE CRIMPS WHILE UNDER TENSION OVER AND EDGE, AND CONTROLLING SAID TENSION TO AN AMOUNT FOR PHYSICALLY DISTORTING THE APICES OF THE V-SHAPED CRIMPS BY WIPING ACTION UNDER TENSION INTO PORTIONS OF GREATER WIDTH THAN THE DIAMETER OF THE UNCRIMPED PORTION OF THE YARN.

References Cited (Backward Citations)

GB558297A Cited
US2972798A Cited
US3078542A Cited
US3154835A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-12 1970-03-14 1970-09-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-12 1974-03-14 1974-09-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-12 1978-03-14 1978-09-13 $7700.00 Window Closed / Lapsed

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