US3796570A
Expired / Lapsed
US
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Electrophotographic,contact-printing process employing a dielectric liquid layer
Assignee: Kimberly Clark Tissue Co
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Filing: 1972-02-11
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Granted: 1974-03-12
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Expires: 1992-02-11
Abstract
Abstract A METHOD FOR CONTACTING PRINTING AN ELECTROPHOTOGAPHIC RECORDING ELEMENT IS DISCLOSED WHICH COMPRISES INTERPOSING A LAYER OF A DIELECTRIC LIQUID BETWEEN THE CHARGED PHOTOCONDUCTIVE LAYER OF AN ELECTROPHOTOGRAPHIC MATERIAL AND THE PARTIALLY OPAQUE ORIGINAL TO BE DUPLICATED DURING THE IMAGEWISE EXPOSURE OF THE MATERIAL TO A SUITABLE LIGHT SOURCE.
Inventors
- 👤 R Comeau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:42
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/225; G03G13/00; G03G13/22
Claims Analysis
Total Claims: 0
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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) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |