US3271836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making distorted crimped yarn
Assignee: Spunize Co of America Inc
•
Filing: 1965-04-06
•
Granted: 1966-09-13
•
Expires: 1985-04-06
Abstract
No abstract record available.
Inventors
- 👤 Rosenstein Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:26
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)
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 |