Patent US2931091A successfully refreshed from Google Patents.
US2931091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crimped textile filament
Assignee: EIDP Inc
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Filing: 1954-02-26
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Granted: 1960-04-05
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Expires: 1974-02-26
Abstract
No abstract record available.
Inventors
- 👤 Alvin L Breen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:26
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
73 words
A HELICALLY CRIMPED FILAMENT COMPRISING AT LEAST TWO DIFFERENT, SYNTHETIC POLYMERS ONE OF WHICH CONSTITUTES THE LOAD-BEARING COMPONENT IN SAID FILAMENT, THE SAID POLYMERS HAVING DIFFERENT RECOVERY PROPERTIES AND BEING CONTAINED IN SAID FILAMENT AS SUBSTANTIALLY SEPARETE COMPONENTS HELD TOGETHER IN ECCENTRIC RELATION TO EACH OTHER, THE LOAD-BEARING POLYMERIC COMPONENT OF SAID FILAMENT BEING LOCATED AT THE INNER PORTION OF THE HELICAL COILS AND BEING THE POLYMER HAVING THE BETTER TENSILE RECOVERY PROPERTIES.
Claim 2
Dependent Claim
73 words
A HELICALLY CRIMPED FILAMENT COMPRISING AT LEAST TWO DIFFERENT, SYNTHETIC POLYMERS ONE OF WHICH CONSTITUTES THE LOAD-BEARING COMPONENT IN SAID FILAMENT, THE SAID POLYMERS HAVING DIFFERENT RECOVERY PROPERTIES AND BEING CONTAINED IN SAID FILAMENT AS SUBSTANTIALLY SEPARETE COMPONENTS HELD TOGETHER IN ECCENTRIC RELATION TO EACH OTHER, THE LOAD-BEARING POLYMERIC COMPONENT OF SAID FILAMENT BEING LOCATED AT THE INNER PORTION OF THE HELICAL COILS AND BEING THE POLYMER HAVING THE BETTER TENSILE RECOVERY PROPERTIES.
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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) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |