Patent US3616635A successfully refreshed from Google Patents.
US3616635A
Expired / Lapsed
US
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Method for heat stabilization of synthetic thermoplastic yarns or threads
Assignee: Dixie Group Inc
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Filing: 1968-09-16
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Granted: 1971-11-02
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Expires: 1988-09-16
Abstract
Abstract THIS APPLICATION DISCLOSES A TWO-FOR-ONE TWISTER WITH A TENSION-CONTROL TO THE COLLECTING BOBBIN WHERE A DENSE BODY OF THREAD IS WOUND FOR SUBSEQUENT HEAT-TREATMENT TO STABILIZE ELONGATION CHARACTERISTICS.
Inventors
- 👤 Philip R Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:47
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/30; Y; Y10; Y10S; Y10S57/00; Y10S57/903
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) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |