US2907094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile process
Assignee: Deering Milliken Research Corp
•
Filing: 1952-08-09
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Granted: 1959-10-06
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Expires: 1972-08-09
Abstract
No abstract record available.
Inventors
- 👤 Edward A Murray
- 👤 Robert W Mccullough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:21
CPC Classifications
D; D06; D06B; D06B7/00; D06B7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD OF CREPING FABRICS COMPRISING YARNS WHICH ARE SUBSTANTIALLY NONSWELLALE IN A HIGH TEMPERATURE AQUEOUS MEDIUM WHICH METHOD COMPRISES INTRODUCING A FABRIC, FORMED AT LEAST IN PART FROM TWISTED YARNS HAVING SUFFICIENT LATENT TORSIONAL ENERGY TO CAUSE SAID YARNS TO FORM INTO OPEN LOOPS UPON EFFICIENT RELEASE OF SAID ENERGY, INTO AN AQUEOUS CREPING BATH AT ROOM TEMPERATURE, INITIATING AGITATION OF THE BATH IMMEDIATELY THEREAFTER, GRADUALLY ELEVATING THE TEMPERATURE OF SAID BATH UNTIL A TEMPERATURE OF AT LEAST 140* F. IS ATTAINED AND CREPING IS COMPLETE, AGITATION BEING MAINTAINED THROUGHOUT THE TREATMENT, WITHDRAWING SAID FABRIC FROM SAID BATH, AND DRYING THE SAME.
Claim 2
Independent Claim
103 words
A METHOD OF CREPING FABRICS COMPRISING YARNS WHICH ARE SUBSTANTIALLY NONSWELLALE IN A HIGH TEMPERATURE AQUEOUS MEDIUM WHICH METHOD COMPRISES INTRODUCING A FABRIC, FORMED AT LEAST IN PART FROM TWISTED YARNS HAVING SUFFICIENT LATENT TORSIONAL ENERGY TO CAUSE SAID YARNS TO FORM INTO OPEN LOOPS UPON EFFICIENT RELEASE OF SAID ENERGY, INTO AN AQUEOUS CREPING BATH AT ROOM TEMPERATURE, INITIATING AGITATION OF THE BATH IMMEDIATELY THEREAFTER, GRADUALLY ELEVATING THE TEMPERATURE OF SAID BATH UNTIL A TEMPERATURE OF AT LEAST 140* F. IS ATTAINED AND CREPING IS COMPLETE, AGITATION BEING MAINTAINED THROUGHOUT THE TREATMENT, WITHDRAWING SAID FABRIC FROM SAID BATH, AND DRYING THE SAME.
References Cited (Backward Citations)
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US2185627A
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US2240554A
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US2602285A
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US2685120A
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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) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |