Patent US2954587A successfully refreshed from Google Patents.
US2954587A
Expired / Lapsed
US
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Method of producing fibrous materials
Assignee: Individual
•
Filing: 1955-05-23
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Granted: 1960-10-04
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Expires: 1975-05-23
Abstract
No abstract record available.
Inventors
- 👤 Rasmussen Ole-Bendt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:58
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; Y; Y10; Y10S; Y10S264/00; Y10S264/47; Y10S264/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METHOD OF PRODUCING FIBROUS MATERIALS WHICH COMPRISES HIGHLY MOLECULARLY ORIENTING A FILM UNIDIRECTIONALLY WHILE THE MATERIAL IS IN A VISCOUS-FLUID STATE, SAID FILM BEING COMPOSED OF A NORMALLY CRYSTALLINE SUPERPOLYMERISATE, PERMITTING THE MATERIAL TO SOLIDIFY, SUBSEQUENTLY FIXING THE DIRECTION OF THE CRYSTALS BY SWELLING THE FILM BY MEANS OF A LIQUID SWELLING AGENT, AND FINALLY SPLITTING UP THE ORIENTED AND SWELLED FILM SUBSTANTIALLY IN THE DIRECTION OF ORIENTATION INTO A PLURALITY OF FIBERS BY FORCES HAVING A STRETCHING COMPONENT PERPENDICULAR TO THE DIRECTION OF ORIENTATION.
Claim 2
Independent Claim
86 words
A METHOD OF PRODUCING FIBROUS MATERIALS WHICH COMPRISES HIGHLY MOLECULARLY ORIENTING A FILM UNIDIRECTIONALLY WHILE THE MATERIAL IS IN A VISCOUS-FLUID STATE, SAID FILM BEING COMPOSED OF A NORMALLY CRYSTALLINE SUPERPOLYMERISATE, PERMITTING THE MATERIAL TO SOLIDIFY, SUBSEQUENTLY FIXING THE DIRECTION OF THE CRYSTALS BY SWELLING THE FILM BY MEANS OF A LIQUID SWELLING AGENT, AND FINALLY SPLITTING UP THE ORIENTED AND SWELLED FILM SUBSTANTIALLY IN THE DIRECTION OF ORIENTATION INTO A PLURALITY OF FIBERS BY FORCES HAVING A STRETCHING COMPONENT PERPENDICULAR TO THE DIRECTION OF ORIENTATION.
References Cited (Backward Citations)
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US2614288A
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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) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |