US3192385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical discharge producing apparatus for treating plastic materials
Assignee: EIDP Inc
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Filing: 1961-04-25
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Granted: 1965-06-29
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Expires: 1981-04-25
Abstract
No abstract record available.
Inventors
- 👤 Antokal Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:14
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)
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 |