Patent US2942402A successfully refreshed from Google Patents.
US2942402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for producing voluminous yarn
Assignee: Celanese Corp
•
Filing: 1953-05-21
•
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
2026-10-24 15:56
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)
US2125230A
Cited
US2224923A
Cited
US2379824A
Cited
US2638146A
Cited
US2783609A
Cited
US2884756A
Cited
US2807862A
Cited
US2874443A
Cited
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 |