US3039173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crimped textile products
Assignee: EIDP Inc
•
Filing: 1958-02-12
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Granted: 1962-06-19
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Expires: 1978-02-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert Joseph Mehler
- 👤 Jr John Roscoe Proffitt
- 👤 Jr Robert Burns Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:49
CPC Classifications
D; D01; D01F; D01F8/00; D01F8/02; Y; Y10; Y10S; Y10S264/00; Y10S264/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A FRESHLY FORMED ESSENTIALLY UNDRAWN COMPOSITE CELLULOSIC FILAMENT CRIMPABLE FROM THE STRAIGHT STATAE UPON SHRINKING COMPRISED OF AT LEAST TWOCELLULOSIC COMPONENTS HAVING SUBSTANTIALLY DIFFERENT SHRINKAGES, SAID COMPONENTS BEING ECCENTRICALLY DISPOSED TOWARDS EACH OTHER IN DISTINCT ZONE WITH ADJOINING SURFACES BEING IN INTIMATE ADHERING CONTACT WITH EACH OTHER, SAID FILAMENT HAVING A CRIMP REVERSIBILITY AFTER SHRINKAGE OF AT LEAST FIVE CRIMPS PER INCH CHARACTERIZED BY SQUIRMING OF SAID FILAMENT UPON TREATMENT IN A RELAXED CONDITION WITH A SWELLING AGENT AND UPON SUBSEQUENT REMOVAL OF A SWELLING AGENT, AT LEAST ONE OF SAID COMPONENTS BEING A POLYMERIC DERIVATIVE OF GLUCOSE UNITS SELECTED FROM THE GROUP CONSISTING OF CELLULOSE ETHERS AND ESTERS AND MIXED CELLULOSE ETHER-ESTERS, ONE OF SAID COMPONENTS HAVING A REVERSIBLE LENGTH CHANGE OF AT LEAST 4% GREATER THAN ANY OF SAID OTHER COMPONENTS WHEN TREATED WITH A SWELLING AGENT WITH SAID COMPONENT SUBSTANTIALLY RETURNING TO ITS ORIGINAL LENGTH UPON REMOVAL OF SAID SWELLING AGENT.
Claim 2
Dependent Claim
154 words
A FRESHLY FORMED ESSENTIALLY UNDRAWN COMPOSITE CELLULOSIC FILAMENT CRIMPABLE FROM THE STRAIGHT STATAE UPON SHRINKING COMPRISED OF AT LEAST TWOCELLULOSIC COMPONENTS HAVING SUBSTANTIALLY DIFFERENT SHRINKAGES, SAID COMPONENTS BEING ECCENTRICALLY DISPOSED TOWARDS EACH OTHER IN DISTINCT ZONE WITH ADJOINING SURFACES BEING IN INTIMATE ADHERING CONTACT WITH EACH OTHER, SAID FILAMENT HAVING A CRIMP REVERSIBILITY AFTER SHRINKAGE OF AT LEAST FIVE CRIMPS PER INCH CHARACTERIZED BY SQUIRMING OF SAID FILAMENT UPON TREATMENT IN A RELAXED CONDITION WITH A SWELLING AGENT AND UPON SUBSEQUENT REMOVAL OF A SWELLING AGENT, AT LEAST ONE OF SAID COMPONENTS BEING A POLYMERIC DERIVATIVE OF GLUCOSE UNITS SELECTED FROM THE GROUP CONSISTING OF CELLULOSE ETHERS AND ESTERS AND MIXED CELLULOSE ETHER-ESTERS, ONE OF SAID COMPONENTS HAVING A REVERSIBLE LENGTH CHANGE OF AT LEAST 4% GREATER THAN ANY OF SAID OTHER COMPONENTS WHEN TREATED WITH A SWELLING AGENT WITH SAID COMPONENT SUBSTANTIALLY RETURNING TO ITS ORIGINAL LENGTH UPON REMOVAL OF SAID SWELLING AGENT.
References Cited (Backward Citations)
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US2428046A
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Cited
US2686709A
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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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |