Patent US3562374A successfully refreshed from Google Patents.
US3562374A
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US
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Method for manufacturing fibrous configuration composed of a plurality of mutually entangled bundles of extremely fine fibers
Assignee: Toray Industries Inc
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Filing: 1967-10-17
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Granted: 1971-02-09
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Expires: 1987-10-17
Abstract
Abstract AN IMPORVED METHOD FOR MANUFACTURING FIBROUS CONFIGURATION USED FOR ARTIFICIAL LEATHER OR THE LIKE BY FORMING A WEB MAINLY COMPOSED OF A PLURALITY OF HIGHLY ORIENTED FIBROUS COMPOSITES CONTAINING AT LEAST TWO DIFFERENT COMPONENTS, FORMING A FELT FROM THE WEB BY ENTANGLING THE PLURALITY OF HIGHLY ORIENTED FIBROUS COMPOSITE, TREATING THE WEB WITH ELASTIC MATERIALS AND ELIMINATING AT LEAST ONE OF THE COMPONENT WITH SUITABLE SOLVENT.
Inventors
- 👤 Miyoshi Okamoto
- 👤 Koji Watanabe
- 👤 Yasuhiko Nukushina
- 👤 Makoto Konosu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:33
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |