US3687659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic plate and the method for producing the same
Assignee: Canon Inc
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Filing: 1967-09-12
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Granted: 1972-08-29
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Expires: 1987-09-12
Abstract
Abstract A PHOTOSENSITIVE PLATE HAVING A PHOTOCONDUCTIVE LAYER COMPOSED OF A DISPERSED SYSTEM OF PHOTOCONDUCTIVE MATERIAL AND RESIN SANWICHED BETWEEN A CONDUCTIVE LAYER AND A TRANSLUCENT INSULATIVE LAYER IN THE ABSENCE OF A SOLVENT. THE PHOTOCONDUCTIVE LAYER IS A SOLID LAYER PRODUCED BY POLYMERIZATION OF A LIQUID RESIN MIXTURE PRODUCED BY DISPERSING A PHOTOCONDUCTIVE SUBSTANCE INTO A LIQUID POLYMERIZABLE RESIN NOT CONTAINING A SOLVENT.
Inventors
- 👤 Takao Komiya
- 👤 Umi Tosaka
- 👤 Takashi Ihara
- 👤 Takehiko Matsuo
- 👤 Katsunobu Ohara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:25
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/147; G03G5/14708; G03G5/14713; G03G5/02; G03G5/04; G03G5/05; G03G5/0525; G03G5/14747; G03G5/1476
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) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |