US3669736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile material having a durable antistatic property and the fibers to be used for its purpose
Assignee: Teijin Ltd
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Filing: 1969-05-26
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Granted: 1972-06-13
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Expires: 1989-05-26
Abstract
Abstract ELECTRICALLY CONDUCTIVE FIBERS COMPOSED OF (1) A SUBSTRATE WHICH IS A FIBER OF SYNTHETIC ORGANIC POLYMER AND (2) A COATING ADHERED TO SAID SUBSTRATE, SAID COATING BEING OF AVERAGE THICKNESS OF 0.5 TO 15 MICRONS AND COMPRISING AMATRIX OF A HARDENED RESIN MIXTURE OF AN ACRYLONITRILE-BUTADIENE COPOLYMER AND A PHENOLIC RESIN COMPATIBLE WITH THE COPOLYMER, AND FINELY DIVIDED SILBER AND/OR CARBON DISPERSED IN SAID MATRIX. THE ELECTRICALLY CONDUCTIVE FIBERS HAVE A VERY DURABLE ELECTRIC CONDUCTIVITY AS WELL AS EXCELLENT FUNCTIONAL PROPERTIES OF NORMAL TEXTILE FIBERS.
Inventors
- 👤 Shigeru Fujiwara
- 👤 Tomomi Okuhashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:15
CPC Classifications
H; H05; H05F; H05F1/00; H05F1/02; D; D06; D06M; D06M15/00; D06M15/693; D06Q; D06Q1/00; D06Q1/04; H01; H01B; H01B1/00; H01B1/20; H01B1/22; H01B1/24; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2913; Y10T428/2918; Y10T428/292; Y10T428/2927; Y10T428/2933; Y10T428/294; Y10T428/2964; Y10T428/2967; Y10T428/2969
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |