US3281205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing wool fabrics exhibiting unidirectional stretch
Assignee: JP Stevens and Co Inc
•
Filing: 1963-03-13
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Granted: 1966-10-25
•
Expires: 1983-03-13
Abstract
No abstract record available.
Inventors
- 👤 Leslie A Runton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:15
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/51; D06M11/54; D03; D03D; D03D15/00; D03D15/50; D03D15/56; D06B; D06B7/00; D06B7/08; D06C; D06C29/00; D06C7/00; D06C7/02; D06M11/01; D06M11/05; D06C2700/00; D06C2700/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A METHOD OF MAKING A WOVEN STRETCH FABRIC FROM A WOVEN FABRIC HAVING A SET OF WEFT YARNS AND A SET OF WARP YARNS AT LEAST ONE SET OF SAID YARNS BEING SPACED TO LEAST 30% WOOL, SAID OTHER SET OF YARNS BENG SPACED TO PERMIT SHRINKAGE OF THE FABRIC IN THE DIRECTION OF SAID WOOL-CONTAINING YARNS, COMPRISING TREATING THE WOVEN FABRIC WITH A RELAXING AGENT AT AN ELEVATED TEMPERATURE WHILE TENSION IS IMPARTED TO SAID OTHER SET OF YARNS, SAID TEMPERATURE BEING SUFFICIENT TO INCREASE THE DENSITY OF SAID OTHER SET OF YARNS AND TO INCREASE THE CRIMP FREQUENCY OF SAID WOOL-CONTAINING YARNS BY AT LEAST 6% AND TO IMPART A PERMANENT SET TO SAID YARNS, AND DRYING THE FABRIC IN ITS PERMANENT SET STATE TO THEREBY PRODUCE A STABILIZED FABRIC WHICH IS STRETCHABLE IN THE DIRECTION OF SAID WOOLCONTAINING YARNS BY AT LEAST 6% AND IS CAPABLE OF RETURNING TO ITS STABILIZED STATE WHEN THE STRETCHING FORCE IS RELEASED.
Claim 2
Independent Claim
161 words
A METHOD OF MAKING A WOVEN STRETCH FABRIC FROM A WOVEN FABRIC HAVING A SET OF WEFT YARNS AND A SET OF WARP YARNS AT LEAST ONE SET OF SAID YARNS BEING SPACED TO LEAST 30% WOOL, SAID OTHER SET OF YARNS BENG SPACED TO PERMIT SHRINKAGE OF THE FABRIC IN THE DIRECTION OF SAID WOOL-CONTAINING YARNS, COMPRISING TREATING THE WOVEN FABRIC WITH A RELAXING AGENT AT AN ELEVATED TEMPERATURE WHILE TENSION IS IMPARTED TO SAID OTHER SET OF YARNS, SAID TEMPERATURE BEING SUFFICIENT TO INCREASE THE DENSITY OF SAID OTHER SET OF YARNS AND TO INCREASE THE CRIMP FREQUENCY OF SAID WOOL-CONTAINING YARNS BY AT LEAST 6% AND TO IMPART A PERMANENT SET TO SAID YARNS, AND DRYING THE FABRIC IN ITS PERMANENT SET STATE TO THEREBY PRODUCE A STABILIZED FABRIC WHICH IS STRETCHABLE IN THE DIRECTION OF SAID WOOLCONTAINING YARNS BY AT LEAST 6% AND IS CAPABLE OF RETURNING TO ITS STABILIZED STATE WHEN THE STRETCHING FORCE IS RELEASED.
References Cited (Backward Citations)
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US2495847A
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US2810184A
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |