US3565613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic electrophotography
Assignee: Fujifilm Holdings Corp
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Filing: 1967-12-06
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Granted: 1971-02-23
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Expires: 1987-12-06
Abstract
Abstract AN ELECTROLYTIC ELECTROPHOTOGRAPHIC PROCESS INVOLVING THE STEPS OF EXPOSING A PHOTOCONDUCTIVE LAYER COMPRISING A PHOTOCONDUCTIVE MATERIAL AND A BINDER FORMED ON AN ELECTRICALLY CONDUCTIVE BASE PLATE TO FORM THEREIN A LATENT IMAGE DUE TO THE DIFFERENCE IN ELECTRIC CONDUCTIVITY, AND SUBJECTING THE PHOTOCONDUCTIVE LAYER HAVING THE LATENT IMAGE TO ELECTROLYSIS IN AN ELECTROLYTE BATH TO FORM VISIBLE IMAGES ON THE LAYER, THE IMPROVEMENT WHICH COMPRISES FORMING A LAYER OF A DISPERSION OF A PIGMENT IN A FATTY OIL ON SAID PHOTOCONDUCTIVE LAYER BEFORE OR DIRECTLY AFTER EXPOSURE, SAID FATTY OIL BEING AT LEAST PARTIALLY LIQUID AT A TEMPERATURE OF FROM NORMAL TEMPERTURE TO ABOUT 40*C.
Inventors
- 👤 Yasuo Tamai
- 👤 Masaaki Takimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:40
CPC Classifications
G; G03; G03G; G03G17/00; G03G17/02
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |