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US3846223A Expired / Lapsed US ⏱️ 0.0 years remaining

Conductive plastic article and method for making same

Assignee: Gulf & Western Ind Prod Co
•
Filing: 1972-08-30
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Granted: 1974-11-05
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Expires: 1992-08-30
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Abstract

Abstract IFIG-01 1. AN ARTICLE OF SUBSTANTIALLY NON-CONDUCTIVE SYNTHETIC PLASTIC MATERIAL HAVING AN OUTER SURFACE WITH CONDUCTIVE PARTICLES MOLDED INTO AND AT LEAST PARTIALLY IMBEDDED WITHIN A PORTION OF SAID OUTER SURFACE, SAID ARTICLE BEING OBTAINED BY FEEDING A FIRST QUANTITY OF NON-CONDUCTIVE SYNTHETIC PLASTIC MATERIAL AND A SECOND, SUBSTANTIALLY LESSER QUANTITY OF SYNTHETIC PLASTIC MATERIAL THROUGH A MOLDING APPARATUS INCLUDING A MOLD CAVITY, SO THAT SAID FIRST AND SECOND QUANTITES SIMULTANEOUSLY ENTER SAID MOLD CAVITY, SAID SECOND QUANTITY OF MATERIAL CONTAINING SAID CONDUCTIVE PARTICLES DISTRIBUTION THEREIN AND HAVING A LOWER VISCOSITY AND LESSER DENSITY AT THE TIME OF BEING FED INTO SAID CAVITY THAN SAID FIRST QUANTITY OF MATERIAL, SO THAT SAID SYNTHETIC PLASTIC MATERIAL CONTAINING CONDUCTIVE PARTICLES COATS PARTS OF SAID APPARATUS AND THEREBY IS DISTRIBUTED ON THE OUTER SURFACE OF SAID NON-CONDUCTIVE SYNTHETIC PLASTIC MATERIAL IN SAID MOLD CAVITY, AND MOLDING SAID MATERIALS INTO SAID ARTICLE WHICH HAS THEREBY AN OUTER SURFACE WITH SAID CONDUCTIVE PARTICLES BEING PRESENT IN AT LEAST SUFFICIENT QUANTITIES TO RENDER SAID OUTER SURFACE SUFFICIENTLY CONDUCTIVE TO SERVE AS AN ELECTRICAL GROUND.

Inventors

  • 👤 B Lederman
  • 👤 J Boudrie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 08:38
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/20; H01B1/24; B; B05; B05D; B05D1/00; B05D1/02; B05D1/04; B05D1/045; B05D3/00; B05D3/002; B05D3/005; B29; B29C; B29C45/00; B29C45/0013; H01B1/22; B29C2045/0015; Y; Y10; Y10T; Y10T428/00; Y10T428/30; Y10T428/31; Y10T428/31504; Y10T428/31786

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 176 words
AN ARTICLE OF SUBSTANTIALLY NON-CONDUCTIVE SYNTHETIC PLASTIC MATERIAL HAVING AN OUTER SURFACE WITH CONDUCTIVE PARTICLES MOLDED INTO AND AT LEAST PARTIALLY IMBEDDED WITHIN A PORTION OF SAID OUTER SURFACE, SAID ARTICLE BEING OBTAINED BY FEEDING A FIRST QUANTITY OF NON-CONDUCTIVE SYNTHETIC PLASTIC MATERIAL AND A SECOND, SUBSTANTIALLY LESSER QUANTITY OF SYNTHETIC PLASTIC MATERIAL THROUGH A MOLDING APPARATUS INCLUDING A MOLD CAVITY, SO THAT SAID FIRST AND SECOND QUANTITES SIMULTANEOUSLY ENTER SAID MOLD CAVITY, SAID SECOND QUANTITY OF MATERIAL CONTAINING SAID CONDUCTIVE PARTICLES DISTRIBUTION THEREIN AND HAVING A LOWER VISCOSITY AND LESSER DENSITY AT THE TIME OF BEING FED INTO SAID CAVITY THAN SAID FIRST QUANTITY OF MATERIAL, SO THAT SAID SYNTHETIC PLASTIC MATERIAL CONTAINING CONDUCTIVE PARTICLES COATS PARTS OF SAID APPARATUS AND THEREBY IS DISTRIBUTED ON THE OUTER SURFACE OF SAID NON-CONDUCTIVE SYNTHETIC PLASTIC MATERIAL IN SAID MOLD CAVITY, AND MOLDING SAID MATERIALS INTO SAID ARTICLE WHICH HAS THEREBY AN OUTER SURFACE WITH SAID CONDUCTIVE PARTICLES BEING PRESENT IN AT LEAST SUFFICIENT QUANTITIES TO RENDER SAID OUTER SURFACE SUFFICIENTLY CONDUCTIVE TO SERVE AS AN ELECTRICAL GROUND.
Claim 2
Dependent Claim 176 words
AN ARTICLE OF SUBSTANTIALLY NON-CONDUCTIVE SYNTHETIC PLASTIC MATERIAL HAVING AN OUTER SURFACE WITH CONDUCTIVE PARTICLES MOLDED INTO AND AT LEAST PARTIALLY IMBEDDED WITHIN A PORTION OF SAID OUTER SURFACE, SAID ARTICLE BEING OBTAINED BY FEEDING A FIRST QUANTITY OF NON-CONDUCTIVE SYNTHETIC PLASTIC MATERIAL AND A SECOND, SUBSTANTIALLY LESSER QUANTITY OF SYNTHETIC PLASTIC MATERIAL THROUGH A MOLDING APPARATUS INCLUDING A MOLD CAVITY, SO THAT SAID FIRST AND SECOND QUANTITES SIMULTANEOUSLY ENTER SAID MOLD CAVITY, SAID SECOND QUANTITY OF MATERIAL CONTAINING SAID CONDUCTIVE PARTICLES DISTRIBUTION THEREIN AND HAVING A LOWER VISCOSITY AND LESSER DENSITY AT THE TIME OF BEING FED INTO SAID CAVITY THAN SAID FIRST QUANTITY OF MATERIAL, SO THAT SAID SYNTHETIC PLASTIC MATERIAL CONTAINING CONDUCTIVE PARTICLES COATS PARTS OF SAID APPARATUS AND THEREBY IS DISTRIBUTED ON THE OUTER SURFACE OF SAID NON-CONDUCTIVE SYNTHETIC PLASTIC MATERIAL IN SAID MOLD CAVITY, AND MOLDING SAID MATERIALS INTO SAID ARTICLE WHICH HAS THEREBY AN OUTER SURFACE WITH SAID CONDUCTIVE PARTICLES BEING PRESENT IN AT LEAST SUFFICIENT QUANTITIES TO RENDER SAID OUTER SURFACE SUFFICIENTLY CONDUCTIVE TO SERVE AS AN ELECTRICAL GROUND.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-11-04 1978-05-06 1978-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-11-04 1982-05-06 1982-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-11-04 1986-05-06 1986-11-05 $7700.00 Window Closed / Lapsed

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