US3794539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of electrophotographic plates
Assignee: Canon Inc
•
Filing: 1971-12-16
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Granted: 1974-02-26
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Expires: 1991-12-16
Abstract
Abstract ERIZING THE LIQUID RESIN TO FORM A SOLID PHOTOCONDUCTIVE LAYER INTEGRALLY BONDED TO THE CONDUCTIVE AND TRANSLUCENT INSULATIVE LAYERS. PHOTOSENSITIVE PLATES ARE PRODUCED BY DEPOSITING A SOLVENT-FREE MIXTURE OF PHOTOCONDUCTIVE MATERIAL DISPERSED IN A LIQUID POLYMERIZABLE RESIN BETWEEN A CONDUCTIVE LAYER AND A TRANSLUCENT INSULATIVE LAYER AND THEREAFTER POLYM-
Inventors
- 👤 T Komiya
- 👤 T Matsuo
- 👤 K Ohara
- 👤 U Tosaka
- 👤 T Ihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:25
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) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |