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US3192385A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical discharge producing apparatus for treating plastic materials

Assignee: EIDP Inc
•
Filing: 1961-04-25
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Granted: 1965-06-29
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Expires: 1981-04-25
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Abstract

No abstract record available.

Inventors

  • 👤 Antokal Philip

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 08:01
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/26; B26F1/28; B29; B29C; B29C59/00; B29C59/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 108 words
APPARATUS FOR TREATING A NON-CONDUCTIVE PLASTIC BODY TO IMPROVE THE RECEPTIVITY OF A SURFACE THEREOF TO COATING MATERIAL, COMPRISING A PAIR OF SPACED ELECTRODES, ONE OF WHICH IS GROUNDED, HIGH VOLTAGE RADIO FREQUENCY GENERATING MEANS FOR SUPPLYING RADIO FREQUENCY VOLTAGE TO THE NON-GROUNDED ELECTRODE TO PRODUCE A DISCHARGE BETWEEN SAID ELECTRODES, MEANS FOR MOVING SAID PLASTIC BODY BETWEEN SAID ELECTRODES, SAID HIGH FREQUENCY GENERATING MEANS INCLUDING A NON-CONDUCTING RING MEMBER BEARING A PLURALITY OF SPACED CONDUCTORS AND A CONDUCTOR ARM HAVING TERMINAL PORTIONS SPACED FROM THE CONDUCTORS OF SAID RING MEMBER FOR PROVIDING SPARK-GAPS THEREBETWEEN, AND MEANS FOR ROTATING ONE OF SAID MEMBERS CONCENTRICALLY RELATIVE TO THE OTHER.
Claim 2
Dependent Claim 108 words
APPARATUS FOR TREATING A NON-CONDUCTIVE PLASTIC BODY TO IMPROVE THE RECEPTIVITY OF A SURFACE THEREOF TO COATING MATERIAL, COMPRISING A PAIR OF SPACED ELECTRODES, ONE OF WHICH IS GROUNDED, HIGH VOLTAGE RADIO FREQUENCY GENERATING MEANS FOR SUPPLYING RADIO FREQUENCY VOLTAGE TO THE NON-GROUNDED ELECTRODE TO PRODUCE A DISCHARGE BETWEEN SAID ELECTRODES, MEANS FOR MOVING SAID PLASTIC BODY BETWEEN SAID ELECTRODES, SAID HIGH FREQUENCY GENERATING MEANS INCLUDING A NON-CONDUCTING RING MEMBER BEARING A PLURALITY OF SPACED CONDUCTORS AND A CONDUCTOR ARM HAVING TERMINAL PORTIONS SPACED FROM THE CONDUCTORS OF SAID RING MEMBER FOR PROVIDING SPARK-GAPS THEREBETWEEN, AND MEANS FOR ROTATING ONE OF SAID MEMBERS CONCENTRICALLY RELATIVE TO THE OTHER.

References Cited (Backward Citations)

US1265959A Cited
US2222268A Cited
US2939956A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-28 1968-12-28 1969-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-28 1972-12-28 1973-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-28 1976-12-28 1977-06-29 $7700.00 Window Closed / Lapsed

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