Photoactive device for xerography
CA 1059570 A · Owner: Xerox Corporation · Inventors: Radler, Richard W. (Jr.); Millonzi, Richard P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a system and apparatus for carrying out xerographic functions while minimizing development and cleaning problems commonly associated with the photoreceptor surface and while maintaining excellent photoconductor efficiency and flex. A plate, screen or axially rotatable drum is arranged in at least partial temporary contact with a removable charge- or hole-conductive matrix and includes a base having at least one externally applied charge- or hole-generating photoconductive coat. Electrostatic charging means are arranged in charging relation to the free surface of the matrix. The charge- or hole-generating photoconductive coat is image-wise-exposed while in contact with the …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted July 31, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 31, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.