Patent US3247569A successfully refreshed from Google Patents.
US3247569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Woven fabric and method of making same
Assignee: Burlington Industries Inc
•
Filing: 1962-12-13
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Granted: 1966-04-26
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Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
- 👤 Gliksmann David
- 👤 David W Petree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:24
CPC Classifications
D; D06; D06C; D06C29/00; D02; D02G; D02G1/00; D02G1/02; D02G1/0286; D02G1/0293; D03; D03D; D03D15/00; D03D15/20; D03D15/208; D03D15/217; D03D15/233; D03D15/283; D03D15/40; D03D15/41; D03D15/47; D03D15/50; D03D15/56; D10; D10B; D10B2201/00; D10B2201/01; D10B2201/02; D10B2201/04; D10B2201/20; D10B2201/22; D10B2201/24; D10B2211/00; D10B2211/01; D10B2211/02; D10B2211/04; D10B2321/00; D10B2321/10; D10B2331/00; D10B2331/02; D10B2331/04; D10B2401/00; D10B2401/04; D10B2401/041; D10B2401/06; D10B2401/061; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3008; Y10T442/3024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A PROCESS FOR PREPARING A STRETCH FABRIC WHICH COMPRISES (1) PROVIDING A YARN COMPRISING AT LEAST ONE END OF STAPLE SPUN YARN SELECTED FROM THE GROUP CONSISTING OF: (A) STAPLE SPUN YARNS MADE UP ENTIRELY OF WOOL FIBERS; AND (B) STAPLE SPUN YARNS MADE UP OF AN INTIMATE BLEND OF THERMOPLASTIC AND NONTHERMOPLASTIC STAPLE FIBERS; (2) MAKING THE THUS PROVIDED YARN INTO A STRETCH YARN BY MECHANICALLY FALSO TWISTING THE SAME WITH ROTATING MECHANICAL PARTS AND HEAT TREATMETN IN A DRY CONDITION, THE WOOL AND NONTHERMOPLASTIC FIBERS IN SAID STAPLE SPUN YARNS RETAINING THEIR NONTHERMOPLASTIC CHARACTERISTICS AND BEING FREE FROM ANY WETTING AND CHEMICAL TREATMENT, PRIOR TO
Claim 2
Dependent Claim
107 words
A PROCESS FOR PREPARING A STRETCH FABRIC WHICH COMPRISES (1) PROVIDING A YARN COMPRISING AT LEAST ONE END OF STAPLE SPUN YARN SELECTED FROM THE GROUP CONSISTING OF: (A) STAPLE SPUN YARNS MADE UP ENTIRELY OF WOOL FIBERS; AND (B) STAPLE SPUN YARNS MADE UP OF AN INTIMATE BLEND OF THERMOPLASTIC AND NONTHERMOPLASTIC STAPLE FIBERS; (2) MAKING THE THUS PROVIDED YARN INTO A STRETCH YARN BY MECHANICALLY FALSO TWISTING THE SAME WITH ROTATING MECHANICAL PARTS AND HEAT TREATMETN IN A DRY CONDITION, THE WOOL AND NONTHERMOPLASTIC FIBERS IN SAID STAPLE SPUN YARNS RETAINING THEIR NONTHERMOPLASTIC CHARACTERISTICS AND BEING FREE FROM ANY WETTING AND CHEMICAL TREATMENT, PRIOR TO
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |