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Patent US3178384A successfully refreshed from Google Patents.
US3178384A
Expired / Lapsed
US
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Semi-conductive fabric comprising an ethylene-vinyl acetate copolymer, wax and carbon black
Assignee: EIDP Inc
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Filing: 1962-02-19
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Granted: 1965-04-13
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Expires: 1982-02-19
Abstract
No abstract record available.
Inventors
- 👤 Harold L Rice
- 👤 Donald C Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:56
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/17; H01B7/28; H01B1/00; H01B1/20; H01B1/24; H01B9/00; H01B9/02; H01B9/027; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A SEMI-CONDUCTIVE COMPOSITION COMPRISING, ON A WEIGHT BASIS, 25 TO 60 PARTS OF AN ETHYLENE/VINYL ACETATE COPOLYMER CONTAINING 25 TO 40% OF COPOLYMERIZED VINYL ACETATE, 75 TO 40 PARTS OF A PETROLEUM WAX, AND 5 TO 40 PARTS PER HUNDRED PARTS OF COMBINED ETHYLENE/VINYL ACETATE COPOLYMER AND PETROLEUM WAX, OF DISPERSED CONDUCTIVE CARBON BLACK.
Claim 2
Dependent Claim
54 words
A SEMI-CONDUCTIVE COMPOSITION COMPRISING, ON A WEIGHT BASIS, 25 TO 60 PARTS OF AN ETHYLENE/VINYL ACETATE COPOLYMER CONTAINING 25 TO 40% OF COPOLYMERIZED VINYL ACETATE, 75 TO 40 PARTS OF A PETROLEUM WAX, AND 5 TO 40 PARTS PER HUNDRED PARTS OF COMBINED ETHYLENE/VINYL ACETATE COPOLYMER AND PETROLEUM WAX, OF DISPERSED CONDUCTIVE CARBON BLACK.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |