Patent US2232998A successfully refreshed from Google Patents.
US3778331A
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Static-charge resistant synthetic yarns
Assignee: Individual
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Filing: 1971-10-06
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Granted: 1973-12-11
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Expires: 1991-10-06
Abstract
Abstract A STATIC-CHARGE RESISTANT YARN CONSTITUTED BY A NONWOVEN PERMEABLE PAPER RIBBON WHOSE FACES ARE VACUUMPLATED WITH TIN OR OTHER NON-OXIDIZING METAL THAT IMPREGNATES THE PAPER TO CREATE, A NON-REFLECTIVE, ELECTRICALLY CONDUCTIVE, STATIC DISCHARGE PATH. THE PAPER RIBBON PREFERABLY FORMED OF NON-WOVEN NYLON FIBERS, IS TWISTED, TEXTURIZED OR WRAPPED ABOUT A FILAMENTARY CORE TO FORM A METALLIZED TEXTILE YARN WHICH IS INTERMIXED WITH COMVENTIONAL YARNS AND WOVEN, TUFTED OR OTHER WISE PROCESSED TO CREATE TEXTILE FABRICS FOR CLOTHING AND COVERINGS OR FOR CARPETS AND RUGS.
Inventors
- 👤 W Scharf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:13
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; D02G3/06; A; A47; A47G; A47G27/00; D02G3/44; D02G3/441; D02G3/445; D04; D04H; D04H1/00; D06; D06M; D06M11/00; D06M11/83; H; H05; H05F; H05F3/00; H05F3/02; H05F3/025; D10; D10B; D10B2331/00; D10B2331/02; D10B2503/00; D10B2503/04; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S57/00; Y10S57/901; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23986; Y10T428/23993; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2936; Y10T428/294; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T428/2973
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |