USRE27717E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid jet process for twisting yarn
Assignee: —
•
Filing: 1971-08-19
•
Granted: 1973-08-07
•
Expires: 1991-08-19
Abstract
Abstract 1. A PROCESS FOR TWISTING A FILAMENTARY STANDARD WHICH COMPRISES CONTINUOUSLY DIRECTING A JET OF COMPRESSIBLE FLUID AT AT LEAST 1/2 SONIC VELOCITY AGAINST THE PERIPHERY OF SUCCESSIVE SUBSTANTIALLY STRAIGHT PORTIONS OF THE FILAMENTARY STANDARD CONSTRAINED SO THAT THE STAND, UNDER THE ACTION OF THE FLUID JET, MOVES IN A ROTARY TWISTING MOTION, TWISTING THE STAND AT A RATE EQUIVALENT TO AT LEAST 200,000 TURNS PER MINUTE.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:35
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/04
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) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |