US3120422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making random dyed yarns
Assignee: Astro Dye Works Inc
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Filing: 1961-08-03
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Granted: 1964-02-04
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Expires: 1981-08-03
Abstract
No abstract record available.
Inventors
- 👤 Lewis E Weir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:59
CPC Classifications
D; D06; D06B; D06B11/00; D06B11/0009; D06B11/0013; D06P; D06P1/00; D06P1/0096; D06P3/00; D06P3/58; D06P3/60; D06P3/66; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918; Y10S8/92; Y10S8/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN THE METHOD FOR RANDOM DYEING CELLULOSIC YARN WHEREIN LIQUID DYE COMPOSITION IS INJECTED INTO AT LEAST ONE SELECTED PORTION OF A WOUND PACKAGE OF YARN TO PROVIDE A YARN HAVING DYED AREAS AND UNDYED AREAS OF VARYING LENGTHS OCCURRING AT RANDOM ALONG THE YARN, THE IMPROVEMENT COMPRISING THE STEPS OF UTILIZING A DYE COMPOSITION COMPRISING FIBER REACTIVE DYE, WATER AND ALKALI AS THE LIQUID DYE COMPOSITION INJECTED INTO THE WOUND PACKAGE OF YARN, AND PERMITTING THE INJECTED WOUND PACKAGE OF YARN TO STAND UNTIL THE FIBER REACTIVE DYE HAS REACTED CHEMICALLY WITH THE YARN.
Claim 2
Dependent Claim
95 words
IN THE METHOD FOR RANDOM DYEING CELLULOSIC YARN WHEREIN LIQUID DYE COMPOSITION IS INJECTED INTO AT LEAST ONE SELECTED PORTION OF A WOUND PACKAGE OF YARN TO PROVIDE A YARN HAVING DYED AREAS AND UNDYED AREAS OF VARYING LENGTHS OCCURRING AT RANDOM ALONG THE YARN, THE IMPROVEMENT COMPRISING THE STEPS OF UTILIZING A DYE COMPOSITION COMPRISING FIBER REACTIVE DYE, WATER AND ALKALI AS THE LIQUID DYE COMPOSITION INJECTED INTO THE WOUND PACKAGE OF YARN, AND PERMITTING THE INJECTED WOUND PACKAGE OF YARN TO STAND UNTIL THE FIBER REACTIVE DYE HAS REACTED CHEMICALLY WITH THE YARN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |