US2942402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for producing voluminous yarn
Assignee: Celanese Corp
•
Filing: 1953-05-21
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Granted: 1960-06-28
•
Expires: 1973-05-21
Abstract
No abstract record available.
Inventors
- 👤 Clifford W Palm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:30
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
PROCESS FOR THE PRODUCTION OF VOLUMINOUS YARNS WHICH OCMPRISES PASSONG A YARN OF CONTINOUS FILAMENTS INTO THE YARN INLET END OF A JET, PASSING A GAS UNDER PRESSURE INTO SAID JET, SUBJECTING SAID YARN TO A TURBULENT STREAM OF SAID GAS IN SAID JET, PASSING SAID YARN ANT THE MAIN PORTION OF SAID GAS OUT OF THE OUTLET OF SAID JET WHILE PASSING A PORTION OF SAID GAS OUT OF THE YARN INLET END OF SAID JET, WHEREBY THERE IS PRODUCED A CONTINOUS FILAMENT YARN HAVING LOOPS OF INDIVIDUAL FILAMENTS PROJECTING FROM THE MAIN BODY OF SAID YARN.
Claim 2
Dependent Claim
98 words
PROCESS FOR THE PRODUCTION OF VOLUMINOUS YARNS WHICH OCMPRISES PASSONG A YARN OF CONTINOUS FILAMENTS INTO THE YARN INLET END OF A JET, PASSING A GAS UNDER PRESSURE INTO SAID JET, SUBJECTING SAID YARN TO A TURBULENT STREAM OF SAID GAS IN SAID JET, PASSING SAID YARN ANT THE MAIN PORTION OF SAID GAS OUT OF THE OUTLET OF SAID JET WHILE PASSING A PORTION OF SAID GAS OUT OF THE YARN INLET END OF SAID JET, WHEREBY THERE IS PRODUCED A CONTINOUS FILAMENT YARN HAVING LOOPS OF INDIVIDUAL FILAMENTS PROJECTING FROM THE MAIN BODY OF SAID YARN.
References Cited (Backward Citations)
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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) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |