US3271837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing stockings from two-component filaments
Assignee: EIDP Inc
•
Filing: 1964-09-25
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Granted: 1966-09-13
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Expires: 1984-09-25
Abstract
No abstract record available.
Inventors
- 👤 Au Tin Yam
- 👤 Olson Earl Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:06
CPC Classifications
D; D01; D01F; D01F8/00; D01F8/04; D01F8/12; D02; D02G; D02G1/00; D02G1/18; D04; D04B; D04B1/00; D04B1/22; D04B1/24; D04B1/26; Y; Y10; Y10S; Y10S264/00; Y10S264/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PROCESS FOR MANUFACTUING A STOCKING KNIT FROM A NYLON TWO COMPONENT CROMPABLE FILAMENT WHOSE TWO COMPONENTS ARE OF FIBER-FORMING MOLECULAR WEIGHT AND HAVE DISSIMILAR SHRINKAGE VALUES, COMPRISING IN ORDER THE STEPS OF (1) KNITTING A STOCKING FROM THE SAID TWO COMPONENT FILAMENT, (2) RELAX-STEAMING SAID STOCKING AT A TEMPERATURE OF FROM ABOUT 215*F. TO 250*F. WITH SUBSTANTIALLY SATURATED STEAM FOR A PERIOD OF AT LEAST ABOUT ONE MINUTE, (3) DYEING THE SAID STOCKING AND (4) POSTBOARDING THE SAID STOCKING IN A STEAM CHEST AT A TEMPERATURE OF FROM ABOUT 230*F. TO 255*V. FOR A PERIOD OF AT LEAST ABOUT 30 SECONDS, WHEREBY THE STOCKING EXHIBITS A STRESS RETENTION OF AT LEAST ABOUT 60% IN THE KNEE AND ANKLE REGION SUBSEQUENT TO SAID POSTBOARDING.
Claim 2
Dependent Claim
124 words
A PROCESS FOR MANUFACTUING A STOCKING KNIT FROM A NYLON TWO COMPONENT CROMPABLE FILAMENT WHOSE TWO COMPONENTS ARE OF FIBER-FORMING MOLECULAR WEIGHT AND HAVE DISSIMILAR SHRINKAGE VALUES, COMPRISING IN ORDER THE STEPS OF (1) KNITTING A STOCKING FROM THE SAID TWO COMPONENT FILAMENT, (2) RELAX-STEAMING SAID STOCKING AT A TEMPERATURE OF FROM ABOUT 215*F. TO 250*F. WITH SUBSTANTIALLY SATURATED STEAM FOR A PERIOD OF AT LEAST ABOUT ONE MINUTE, (3) DYEING THE SAID STOCKING AND (4) POSTBOARDING THE SAID STOCKING IN A STEAM CHEST AT A TEMPERATURE OF FROM ABOUT 230*F. TO 255*V. FOR A PERIOD OF AT LEAST ABOUT 30 SECONDS, WHEREBY THE STOCKING EXHIBITS A STRESS RETENTION OF AT LEAST ABOUT 60% IN THE KNEE AND ANKLE REGION SUBSEQUENT TO SAID POSTBOARDING.
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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 |