Patent US3282833A successfully refreshed from Google Patents.
US3282833A
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Electrical discharge treatment of film and apparatus
Assignee: EIDP Inc
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Filing: 1963-01-22
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Granted: 1966-11-01
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Expires: 1983-01-22
Abstract
No abstract record available.
Inventors
- 👤 Jr James F Pfeffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:37
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/26; B41M1/30; B41M1/305; B26; B26F; B26F1/00; B26F1/26; B26F1/28; B29; B29C; B29C59/00; B29C59/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A CONTINUOUS PROCESS FOR TREATING A PLASTIC FILM TO RENDER THE SURFACE THEREOF ADHERENT TO PRINTING, COATINGS AND THE LIKE WHEREIN SAID FILM IS PASSED THROUGH AND SUBJECTED TO THE ACTION OF AN ELECTRICAL DISCHARGE, THE IMPROVEMENT WHICH COMPRISES PASSING SAID FILM SUCCESSIVELY THROUGH AT LEAST TWO ELONGATED ZONES OF ELECTRICAL DISCHARGE, SAID ZONES BEING DISPOSED RANSVERSELY OF THE FILM AND AT AN OBLIQUE ANGLE WITH RESPECT TO THE AXIS OF FILM TRAVEL, THE OBLIQUE ANGLES OF SUCCESSIVE ZONES BEING OF OPPOSITE ROTATION OF THE ZONE PRECEDING.
Claim 2
Dependent Claim
88 words
IN A CONTINUOUS PROCESS FOR TREATING A PLASTIC FILM TO RENDER THE SURFACE THEREOF ADHERENT TO PRINTING, COATINGS AND THE LIKE WHEREIN SAID FILM IS PASSED THROUGH AND SUBJECTED TO THE ACTION OF AN ELECTRICAL DISCHARGE, THE IMPROVEMENT WHICH COMPRISES PASSING SAID FILM SUCCESSIVELY THROUGH AT LEAST TWO ELONGATED ZONES OF ELECTRICAL DISCHARGE, SAID ZONES BEING DISPOSED RANSVERSELY OF THE FILM AND AT AN OBLIQUE ANGLE WITH RESPECT TO THE AXIS OF FILM TRAVEL, THE OBLIQUE ANGLES OF SUCCESSIVE ZONES BEING OF OPPOSITE ROTATION OF THE ZONE PRECEDING.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |