US3001262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making elastic textile materials
Assignee: Bleachers Association Ltd
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Filing: 1957-07-08
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Granted: 1961-09-26
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Expires: 1977-07-08
Abstract
No abstract record available.
Inventors
- 👤 Parker Charles Schwabe
- 👤 Melville Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:45
CPC Classifications
D; D02; D02G; D02G1/00; D06; D06C; D06C21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
THE PROCESS FOR IMPARTING ELASTIC CHARACTERISTICS TO A TEXTILE MATERIAL CONTAINING A PLURALITY OF SYNTHETIC THERMOPLASTIC FIBRES TO PERMIT SAID MATERIAL TO BE STRETCHED AND TO ALSO RECOVER COMPLETELY, CONSISTING OF THE STEPS OF (1) MECHANICALLY SHRINKING SAID MATERIAL TO A LENGTH SHORTER THAN THE NORMAL LENGTH OF SAID MATERIAL, (2) SUBJECTING SAID MATERIAL TO HEAT SUFFICIENT TO SET THE MATERIAL IN ITS SHRUNKEN CONDITION BUT INSUFFICIENT TO RENDER SAID THERMOPLASTIC MATERIAL TACKY, AND (3) ALLOWING SAID MATERIAL TO COOL, THE FIBRES OF SAID MATERIAL BEING CRIMPED AND RETAINING THEIR ORIGINAL FREEDOM OF MOVEMENT RELATIVE TO EACH OTHER.
Claim 2
Dependent Claim
98 words
THE PROCESS FOR IMPARTING ELASTIC CHARACTERISTICS TO A TEXTILE MATERIAL CONTAINING A PLURALITY OF SYNTHETIC THERMOPLASTIC FIBRES TO PERMIT SAID MATERIAL TO BE STRETCHED AND TO ALSO RECOVER COMPLETELY, CONSISTING OF THE STEPS OF (1) MECHANICALLY SHRINKING SAID MATERIAL TO A LENGTH SHORTER THAN THE NORMAL LENGTH OF SAID MATERIAL, (2) SUBJECTING SAID MATERIAL TO HEAT SUFFICIENT TO SET THE MATERIAL IN ITS SHRUNKEN CONDITION BUT INSUFFICIENT TO RENDER SAID THERMOPLASTIC MATERIAL TACKY, AND (3) ALLOWING SAID MATERIAL TO COOL, THE FIBRES OF SAID MATERIAL BEING CRIMPED AND RETAINING THEIR ORIGINAL FREEDOM OF MOVEMENT RELATIVE TO EACH OTHER.
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) | 1964-09-25 | 1965-03-27 | 1965-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-25 | 1969-03-27 | 1969-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-25 | 1973-03-27 | 1973-09-26 | $7700.00 | Window Closed / Lapsed |