Patent US3117362A successfully refreshed from Google Patents.
US3117362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite filament
Assignee: EIDP Inc
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Filing: 1961-06-20
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Granted: 1964-01-14
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Expires: 1981-06-20
Abstract
No abstract record available.
Inventors
- 👤 Breen Alvin Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:14
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01F; D01F8/00; D01F8/04; Y; Y10; Y10S; Y10S260/00; Y10S260/32; Y10S264/00; Y10S264/47; Y10S425/00; Y10S425/217; Y10S57/00; Y10S57/905; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929; Y10T428/2931; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A UNITARY SPUN COMPOSITE FILAMENT HAVING A SUBSTANTIALLY UNIFORMLY SHAPED TRANSVERSE CROSS-SECTION ALONG ITS LENGTH WITH A SMOOTHLY ROUNDED CONTOUR, SAID FILAMENT COMPRISING A FIRST LONGITUDINALLY EXTENDING COMPONENT OF SUBSTANTIALLY UNIFORMLY SHAPED CROSS SECTION ALONG ITS LENGTH OF ONE SYNTHETIC POLYMERIC COMPOSITION, AND AN ADHERING SECOND DISTINCT LONGITUDINALLY EXTENDING COMPONENT OF SUBSTANTIALLY CONSTANT CROSS SECTION OF ANOTHER SYNTHETIC POLYMERIC COMPOSITION, SAID COMPONENTS CLOSELY FITTED TOGETHER ALONG AT LEAST ONE CONTACTING SURFACE TO FORM THE COMPOSITE FILAMENT, SAID CONTACTING SURFACE FORMING AT LEAST ONE LONGITUDINALLY EXTENDING SHARP-EDGE CONFIGURATION, SAID ADHERENT COMPONENTS READILY SEPARABLE ALONG SAID SURFACE INTO SEPARATE INDEPENDENT FILAMENTS AT LEAST ONE OF WHICH IS PROVIDED WITH A LONGITUDINALLY EXTENDING SHARP-EDGE CONFIGURATION.
Claim 2
Dependent Claim
112 words
A UNITARY SPUN COMPOSITE FILAMENT HAVING A SUBSTANTIALLY UNIFORMLY SHAPED TRANSVERSE CROSS-SECTION ALONG ITS LENGTH WITH A SMOOTHLY ROUNDED CONTOUR, SAID FILAMENT COMPRISING A FIRST LONGITUDINALLY EXTENDING COMPONENT OF SUBSTANTIALLY UNIFORMLY SHAPED CROSS SECTION ALONG ITS LENGTH OF ONE SYNTHETIC POLYMERIC COMPOSITION, AND AN ADHERING SECOND DISTINCT LONGITUDINALLY EXTENDING COMPONENT OF SUBSTANTIALLY CONSTANT CROSS SECTION OF ANOTHER SYNTHETIC POLYMERIC COMPOSITION, SAID COMPONENTS CLOSELY FITTED TOGETHER ALONG AT LEAST ONE CONTACTING SURFACE TO FORM THE COMPOSITE FILAMENT, SAID CONTACTING SURFACE FORMING AT LEAST ONE LONGITUDINALLY EXTENDING SHARP-EDGE CONFIGURATION, SAID ADHERENT COMPONENTS READILY SEPARABLE ALONG SAID SURFACE INTO SEPARATE INDEPENDENT FILAMENTS AT LEAST ONE OF WHICH IS PROVIDED WITH A LONGITUDINALLY EXTENDING SHARP-EDGE CONFIGURATION.
References Cited (Backward Citations)
US2531234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |