Patent US3140342A successfully refreshed from Google Patents.
US3140342A
Expired / Lapsed
US
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Electrical shielding and sealing gasket
Assignee: Chomerics Inc
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Filing: 1963-07-05
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Granted: 1964-07-07
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Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 John E Ehrreich
- 👤 Donald H Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:41
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/22; F; F16; F16J; F16J15/00; F16J15/02; F16J15/06; F16J15/064; H01P; H01P1/00; H01P1/04; H01P1/042; H05; H05K; H05K9/00; H05K9/0007; H05K9/0015; Y; Y10; Y10S; Y10S277/00; Y10S277/919; Y10S277/92; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AS AN ARTICLE OF MANUFACTURE, AN ELECTRO-MAGNETIC ENERGY SHIELDING GASKET HAVING A FORM-STABLE DEFINITE SHAPE AND ADAPTED TO FIT A CLOSURE TO BE SEALED AND TO SEAL SAID CLOSURE ELECTRICALLY, COMPRISING A MATRIX BINDER OF A FLEXIBLE AND COMPRESSIBLE PLASTIC HAVING A FLOW POINT IN EXCESS OF ABOUT 100*C. LOADED WITHIN THE RANGE OF 10 TO 80 VOLUME PERCENT OF METAL PARTICLES HELD IN ELECTRICAL PARTICLE-TO-PARTICLE CONTACT THEREIN, THE LARGEST DIMENSION OF SAID METAL PARTICLES NOT BEING GREATER THAN 1/4 OF AN INCH AND THE ELECTRICAL RESISTANCE OF SAID GASKET BEING LESS THAN 10 OHMS-CENTIMETERS.
Claim 2
Dependent Claim
95 words
AS AN ARTICLE OF MANUFACTURE, AN ELECTRO-MAGNETIC ENERGY SHIELDING GASKET HAVING A FORM-STABLE DEFINITE SHAPE AND ADAPTED TO FIT A CLOSURE TO BE SEALED AND TO SEAL SAID CLOSURE ELECTRICALLY, COMPRISING A MATRIX BINDER OF A FLEXIBLE AND COMPRESSIBLE PLASTIC HAVING A FLOW POINT IN EXCESS OF ABOUT 100*C. LOADED WITHIN THE RANGE OF 10 TO 80 VOLUME PERCENT OF METAL PARTICLES HELD IN ELECTRICAL PARTICLE-TO-PARTICLE CONTACT THEREIN, THE LARGEST DIMENSION OF SAID METAL PARTICLES NOT BEING GREATER THAN 1/4 OF AN INCH AND THE ELECTRICAL RESISTANCE OF SAID GASKET BEING LESS THAN 10 OHMS-CENTIMETERS.
References Cited (Backward Citations)
DE1073055B
Cited
GB489721A
Cited
GB519298A
Cited
US2370242A
Cited
US2638523A
Cited
US2966539A
Cited
US3003975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |