Patent US3720382A successfully refreshed from Google Patents.
US3720382A
Expired / Lapsed
US
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Process and apparatus for the continuous production of synthetic threads
Assignee: Vickers Zimmer AG
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Filing: 1970-08-19
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Granted: 1973-03-13
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Expires: 1990-08-19
Abstract
Abstract A PROCESS FOR THE CONTINUOUS PRODUCTION OF A LARGE NUMBER OF SYNTHETIC THREADS WHEREIN THE THREAD PATH AFTER LEAVING THE SPINNING SHAFT UP TO THE PREPARATION GODET EXTENDS HORIZONTALLY. MOREOVER, THE THREAD PATH FROM THE MOISTENING GODET TO THE WINDING SPOOL PREFERABLY EXTENDS MORE THAN FIVE METERS. APPARATUS FOR CARRYING OUT THE PROCESS IS ALSO DESCRIBED.
Inventors
- 👤 K Lehner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:06
CPC Classifications
D; D01; D01D; D01D7/00
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) | 1976-03-12 | 1976-09-11 | 1977-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-12 | 1980-09-11 | 1981-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-12 | 1984-09-11 | 1985-03-13 | $7700.00 | Window Closed / Lapsed |