Patent US3038236A successfully refreshed from Google Patents.
US3038236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crimped textile products
Assignee: EIDP Inc
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Filing: 1958-11-03
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Granted: 1962-06-12
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Expires: 1978-11-03
Abstract
No abstract record available.
Inventors
- 👤 Alvin L Breen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:22
CPC Classifications
D; D01; D01F; D01F8/00; D01F8/04; D01F8/08; D01D; D01D5/00; D01D5/28; D01D5/30; D01D5/32; D01D5/34; D01F8/12; D01F8/14; Y; Y10; Y10S; Y10S264/00; Y10S264/26; Y10S425/00; Y10S425/217; Y10S8/00; Y10S8/04; Y10S8/09; Y10S8/10; Y10S8/21; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/2924; Y10T428/2925; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T428/2973; Y10T442/00; Y10T442/30; Y10T442/3146; Y10T442/3154
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A COMPOSITE FILAMENT CRIMPABLE FROM A STRAIGHT STATE UPON RELAXATION BY SHRINKING COMPRISED OF AT LEAST TWO COMPONENTS OF SYNETHETIC POLYMERIC COMPOSITIONS, EACH OF SAID COMPONENTS HAVING AN INITIAL MODULUS AT 25*C IN WATER OF AT LEAST 10 GRAMS PER DENIER, SAID COMPONENTS BEING ECCENTRICALLY DISPOSED TOWARD EACH OTHER IN DISTINCT ZONES WITH ADJOINING SURFACES BEING IN INTIMATE ADHERING CONTACT WITH EACH OTHER, EACH OF SAID COMPONENTS EXTENDING THROUGHOUT THE LENGTH OF SAID FILAMENT, ONE OF SAID COMPONENTS HAVING A SHRINKABILITY OF AT LEAST 1% GREATER THAN ANY OF SAID OTHER COMPONENTS AND ONE OF SAID COMPONENTS HAVING A REVERSIBLE LENGTH CHANGE AFTER SHRINKAGE EVIDENCED BY AN INCREASE IN LENGTH OF AT LEAST 0.05% GREATER THAN ANY OF SAID OTHER COMPONENTS WHEN TREATED WITH A SWELLING AGENT WITH SAID COMPONENTS SUBSTANTIALLY RETURNING TO ITS ORIGINAL LENGTH UPON REMOVAL OF SAID SWELLING AGENT, SUCH RESPONSE PROVIDING CRIMP REVERSIBILITY IN SAID FILAMENT CHARACTERIZED BY SQUIRMING OF SAID FILAMENT UPON TREATMENT WITH AND UPON REMOVAL OF SAID SWELLING AGENT SAID SHRINKAGE.
Claim 2
Dependent Claim
168 words
A COMPOSITE FILAMENT CRIMPABLE FROM A STRAIGHT STATE UPON RELAXATION BY SHRINKING COMPRISED OF AT LEAST TWO COMPONENTS OF SYNETHETIC POLYMERIC COMPOSITIONS, EACH OF SAID COMPONENTS HAVING AN INITIAL MODULUS AT 25*C IN WATER OF AT LEAST 10 GRAMS PER DENIER, SAID COMPONENTS BEING ECCENTRICALLY DISPOSED TOWARD EACH OTHER IN DISTINCT ZONES WITH ADJOINING SURFACES BEING IN INTIMATE ADHERING CONTACT WITH EACH OTHER, EACH OF SAID COMPONENTS EXTENDING THROUGHOUT THE LENGTH OF SAID FILAMENT, ONE OF SAID COMPONENTS HAVING A SHRINKABILITY OF AT LEAST 1% GREATER THAN ANY OF SAID OTHER COMPONENTS AND ONE OF SAID COMPONENTS HAVING A REVERSIBLE LENGTH CHANGE AFTER SHRINKAGE EVIDENCED BY AN INCREASE IN LENGTH OF AT LEAST 0.05% GREATER THAN ANY OF SAID OTHER COMPONENTS WHEN TREATED WITH A SWELLING AGENT WITH SAID COMPONENTS SUBSTANTIALLY RETURNING TO ITS ORIGINAL LENGTH UPON REMOVAL OF SAID SWELLING AGENT, SUCH RESPONSE PROVIDING CRIMP REVERSIBILITY IN SAID FILAMENT CHARACTERIZED BY SQUIRMING OF SAID FILAMENT UPON TREATMENT WITH AND UPON REMOVAL OF SAID SWELLING AGENT SAID SHRINKAGE.
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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) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |