Spatially programmable electrode-type roll for electrostatographic processors and the like
CA 1070940 A · Owner: Xerox Corporation · Inventors: Scaletta, Joseph L.; Parker, Delmer G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Spatially Programmable Electrode-Type, Roll for Electrostatographic Processors and the Like, ABSTRACT OF THE DISCLOSURE To provide an environment which highlights the advantages of this invention, there is a magnetic brush development systems including a spatially programmable electrode-type applicator roll for developing latent electrostatic images carried by an imaging surface of an electrostatic processor as the imaging surface moves through a development zone which is subjected to a substantially stationary, locally generated electrostatic field having a generally uniform intensity widthwise of the imaging surface and a preselected, non-uniform intensity lengthwise of the imaging …
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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 February 5, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 1997.
- 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.