Patent US3002804A successfully refreshed from Google Patents.
US3002804A
Expired / Lapsed
US
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Process of melt spinning and stretching filaments by passing them through liquid drag bath
Assignee: EIDP Inc
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Filing: 1958-11-28
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Granted: 1961-10-03
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Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Kilian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:03
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/08; D01D5/088; D02; D02J; D02J1/00; D02J1/22; D02J1/223; Y; Y10; Y10S; Y10S425/00; Y10S425/017; Y10S8/00; Y10S8/04; Y10S8/10; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
THE PROCESS FOR PREPARING UNIFORMLY ORIENTED TEXTILE YARN WHICH COMPRISES EXTRUDING A MOLTEN SYNTHETIC LINEAR POLYMER FROM A SPINNERET TO FORM FILAMENTS, QUENCHING SAID FILAMENTS TO PROVIDE A SOLID STRUCTURE BY COOLING THEM TO A TEMPERATURE AT LEAST 50*C. BELOW THEIR MELTING POINT, SUBJECTING SAID FILAMENTS TO A CONTINUOUSLY INCREASING DRAWING TENSION BY PASSING SAID FILAMENTS DOWN-
Claim 2
Dependent Claim
57 words
THE PROCESS FOR PREPARING UNIFORMLY ORIENTED TEXTILE YARN WHICH COMPRISES EXTRUDING A MOLTEN SYNTHETIC LINEAR POLYMER FROM A SPINNERET TO FORM FILAMENTS, QUENCHING SAID FILAMENTS TO PROVIDE A SOLID STRUCTURE BY COOLING THEM TO A TEMPERATURE AT LEAST 50*C. BELOW THEIR MELTING POINT, SUBJECTING SAID FILAMENTS TO A CONTINUOUSLY INCREASING DRAWING TENSION BY PASSING SAID FILAMENTS DOWN-
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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) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |