US3803282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing synthetic continuous multifilament yarns by the coupled spinning-drawing process
Assignee: Teijin Ltd
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Filing: 1971-12-14
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Granted: 1974-04-09
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Expires: 1991-12-14
Abstract
Abstract A METHOD OF PREPARING ORIENTED SYNTHETIC CONTINUOSU MULTIFILAMENT YARNS BY THE COUPLED SPINNING-DRAWING PROCESS, WHICH COMPRISES INTERLACING A BUNDLE OF AS-SPUN SYNTHETIC CONTINUOUS MULTIFILAMENTS SO THAT AN INTERLACING DEGREE OF 0.1-1.2 PER METER OF THE BUNDLE LENGTH IS ATTAINED, AND SUBSEQUENTLY DRAWING THE INTERLACED BUNDLE AT A PRESCRIBED STRETCH RATIO.
Inventors
- 👤 I Hamana
- 👤 T Nozawa
- 👤 K Shiokawa
- 👤 S Kato
- 👤 Y Fujiwara
- 👤 H Yoshikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:43
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/221; Y; Y10; Y10S; Y10S57/00; Y10S57/908
Claims Analysis
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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) | 1977-04-08 | 1977-10-08 | 1978-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-08 | 1981-10-08 | 1982-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-08 | 1985-10-08 | 1986-04-09 | $7700.00 | Window Closed / Lapsed |