Patent US4499209A successfully refreshed from Google Patents.
Patent US2689192A successfully refreshed from Google Patents.
US2689192A
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Process of treating yarn cake
Assignee: Celanese Corp
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Filing: 1950-12-28
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Granted: 1954-09-14
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Expires: 1970-12-28
Abstract
No abstract record available.
Inventors
- 👤 Carl R Dolmetsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:49
CPC Classifications
D; D01; D01D; D01D10/00; D01D10/04; D01D10/0418
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
IN A PROCESS OF TREATING YARN CAKES WHEREIN THE YARN CAKES ARE SUBJECTED TO WET PROCESSING AND DRYING TREATMENTS, THE STEP OF ENCLOSING EACH YARN CAKE, PRIOR TO THE SAID WET PROCESSING AND DRYING TREATMENT, WITHIN TWO CONVERINGS, THE INNER ONE OF WHICH IS OF FLEXIBLE PAPER PERMEABLE TO FLUIDS AND THE OUTER ONE IS OF A TEXTILE FABRIC, AND THEN REMOVING THE OUTER TEXTILE FABRIC COVER AFTER THE WET PROCESSING AND DRYING TREATMENTS AND PRIOR TO STORING OR SHIPPING.
Claim 2
Dependent Claim
80 words
IN A PROCESS OF TREATING YARN CAKES WHEREIN THE YARN CAKES ARE SUBJECTED TO WET PROCESSING AND DRYING TREATMENTS, THE STEP OF ENCLOSING EACH YARN CAKE, PRIOR TO THE SAID WET PROCESSING AND DRYING TREATMENT, WITHIN TWO CONVERINGS, THE INNER ONE OF WHICH IS OF FLEXIBLE PAPER PERMEABLE TO FLUIDS AND THE OUTER ONE IS OF A TEXTILE FABRIC, AND THEN REMOVING THE OUTER TEXTILE FABRIC COVER AFTER THE WET PROCESSING AND DRYING TREATMENTS AND PRIOR TO STORING OR SHIPPING.
References Cited (Backward Citations)
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Cited
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US1981986A
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US2242300A
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Cited
US2419756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |