US3568424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for preparing fluid-textured yarn
Assignee: Individual
•
Filing: 1968-09-09
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Granted: 1971-03-09
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Expires: 1988-09-09
Abstract
Abstract AN APPARATUS AND PROCESS ARE DESCRIBED FOR THE FLUIDTEXTURING OF CONTINUOUS FILAMENT STRANDS. SUCH A STRAND IS FED THROUGH A FLUID JET AT AT LEAST HALF-SONIC VELOCITY INTO A GENERALLY CYLINDRICAL CHAMBER CONTAINING A WHIRLING BODY OF FLUID, CAUSING THE STRAND TO ERUPT TURBULENTLY INTO SAID CHAMBER. THE TEXTURIZED STRAND MAY BE FALSE-WRAPPED AROUND A CORE STRAND WHICH SIMULTANEOUSLY PASSES AXIALLY THROUGH THE CHAMBER.
Inventors
- 👤 Preston F Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:46
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/162
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) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |