Patent US2507576A successfully refreshed from Google Patents.
Patent US3150481A successfully refreshed from Google Patents.
US3150481A
Expired / Lapsed
US
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Loopy, gas jet bulked yarn and method
Assignee: Celanese Corp
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Filing: 1959-08-05
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Granted: 1964-09-29
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Expires: 1979-08-05
Abstract
No abstract record available.
Inventors
- 👤 Bilsky Earl
- 👤 Lawrence R Blake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:42
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G1/164
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A LOOPY, GAS JET BULKED CONTINUOUS MULTIFILAMENT YARN CONSISTING A LUBRICATING COMPOSITION COMPRISING A MINERAL OIL, A LONG CHAIN ALIPHATIC CARBOXYLIC ACID, AN ALKANOLAMINE, A SULFATED FATTY OIL AND A SULFATED, LONG CHAIN ALIPHATIC CARBOXYLIC ACID, SAID LUBRICATING COMPOSITION HAVING BEEN APPLIED PRIOR TO BULKING AND SERVING TO RETAIN THE BULK OF SAID YARN WHEN IT IS SUBJECTED TO TENSION.
Claim 2
Dependent Claim
60 words
A LOOPY, GAS JET BULKED CONTINUOUS MULTIFILAMENT YARN CONSISTING A LUBRICATING COMPOSITION COMPRISING A MINERAL OIL, A LONG CHAIN ALIPHATIC CARBOXYLIC ACID, AN ALKANOLAMINE, A SULFATED FATTY OIL AND A SULFATED, LONG CHAIN ALIPHATIC CARBOXYLIC ACID, SAID LUBRICATING COMPOSITION HAVING BEEN APPLIED PRIOR TO BULKING AND SERVING TO RETAIN THE BULK OF SAID YARN WHEN IT IS SUBJECTED TO TENSION.
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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) | 1967-09-29 | 1968-03-30 | 1968-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-29 | 1972-03-30 | 1972-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-29 | 1976-03-30 | 1976-09-29 | $7700.00 | Window Closed / Lapsed |