US3271943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for stabilizing bulked yarns and product thereof
Assignee: EIDP Inc
•
Filing: 1963-12-30
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Granted: 1966-09-13
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Expires: 1983-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Ebenezer David Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:05
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/20; D02G1/205; D02G1/16; D02G1/164; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
METHOD FOR REDUCING THE EXTENSIBILITY OF A BULKY YARN COMPOSED OF CRIMPED CONTINUOUS FILAMENTS OF A POLYAMIDE, SAID METHOD COMPRISING APPLYING LIQUID WATER TO A RUNNING LENGTH OF THE YARN OF NORMAL TEMPERATURES WHILE THE YARN IS UNDER A TENSION OF AT LEAST 0.02 GRAM PER DENIER AND WINDING THE WATER-TREATED YARN UNDER TENSION INTO A PACKAGE, THE QUANTITY OF WATER APPLIED TO THE YARN BEING AT LEAST 50% OF THE EQUILIBRIUM CONTENT OF THE FILAMENTS AT 100% RELATIVE HUMIDITY AS MEASURED AT 20*C.
Claim 2
Dependent Claim
84 words
METHOD FOR REDUCING THE EXTENSIBILITY OF A BULKY YARN COMPOSED OF CRIMPED CONTINUOUS FILAMENTS OF A POLYAMIDE, SAID METHOD COMPRISING APPLYING LIQUID WATER TO A RUNNING LENGTH OF THE YARN OF NORMAL TEMPERATURES WHILE THE YARN IS UNDER A TENSION OF AT LEAST 0.02 GRAM PER DENIER AND WINDING THE WATER-TREATED YARN UNDER TENSION INTO A PACKAGE, THE QUANTITY OF WATER APPLIED TO THE YARN BEING AT LEAST 50% OF THE EQUILIBRIUM CONTENT OF THE FILAMENTS AT 100% RELATIVE HUMIDITY AS MEASURED AT 20*C.
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 |