Patent US3723110A successfully refreshed from Google Patents.
US3723110A
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US
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Electrophotographic process
Assignee: Xerox Corp
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Filing: 1970-12-21
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Granted: 1973-03-27
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Expires: 1990-12-21
Abstract
Abstract AN ELECTROPHOTOGRAPHIC PLATE AND IMAGING PROCESS ARE DISCLOSED. THE PLATE COMPRISES A CONDUCTIVE SUBSTRATE COATED WITH A THICK ORGANIC INSULATING LAYER OVERCOATED WITH A THIN PHOTOCONDUCTIVE LAYER. IMAGES MAY BE FORMED BY ELECTROSTATICALLY CHARGING THE PLATE, EXPOSING IT TO AN IMAGE AND DEVELOPING WITH ELECTROSCOPIC MARKING METERIAL.
Inventors
- 👤 W Goffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:42
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/142; G03G15/00; G03G15/22; G03G15/225; G03G5/02; G03G5/04; G03G5/043; G03G5/0436
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) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |