Patent US2507561A successfully refreshed from Google Patents.
US2507561A
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Method of producing differential color effects in fabrics, and the fabric
Assignee: Celanese Corp
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Filing: 1946-12-11
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Granted: 1950-05-16
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Expires: 1966-12-11
Abstract
No abstract record available.
Inventors
- 👤 Dreyfus Camille
- 👤 Schwartz Aaron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:05
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/34; D02G3/346; D06; D06P; D06P3/00; D06P3/82; D06P3/854; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/2481; Y10T428/24818
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
PROCESS FOR THE PRODUCTION OF TEXTILE AND OTHER MATERIALS HAVING DIFFERENTIAL COLOR EFFECTS THEREON, WHICH COMPRISES FORMING A YARN OR THREAD OF UNIFORM COUNT FROM STAPLE FIBERS HAVING A BASIS OF A DINGLE MATERIAL, INSERTING A TWIST THEREIN VARYING IN DEGREE AND IN RANDOM ORDER ALONG THE LENGTH OF SAID SPUN YARD OR THREAD, PROCESSING SAID DIFFERENTIALLY TWISTED SPUN YARN OR THREAD INTO A FABRIC, AND THEN APPLYING A DYESTUFF TO SAID FABRIC.
Claim 2
Dependent Claim
73 words
PROCESS FOR THE PRODUCTION OF TEXTILE AND OTHER MATERIALS HAVING DIFFERENTIAL COLOR EFFECTS THEREON, WHICH COMPRISES FORMING A YARN OR THREAD OF UNIFORM COUNT FROM STAPLE FIBERS HAVING A BASIS OF A DINGLE MATERIAL, INSERTING A TWIST THEREIN VARYING IN DEGREE AND IN RANDOM ORDER ALONG THE LENGTH OF SAID SPUN YARD OR THREAD, PROCESSING SAID DIFFERENTIALLY TWISTED SPUN YARN OR THREAD INTO A FABRIC, AND THEN APPLYING A DYESTUFF TO SAID FABRIC.
References Cited (Backward Citations)
US1655973A
Cited
FR681317A
Cited
CH145678A
Cited
US2233819A
Cited
US2359847A
Cited
US2264193A
Cited
US2400663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |