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Expired Canadian patentCanada

Imaging apparatus

CA 1101481 A · Owner: Xerox Corporation · Inventors: Silverberg, Morton

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A non-impact printing system is disclosed wherein electrical pulse signals control the lateral movement of a print head and the transfer therefrom of information bits to a receiver. Printing is accomplished by employing various imaging technologies including flash transfer electrographics, and xerography. An elongated platen supports a receiving medium. A print head is mounted to be advanced along the length of the platen and adjacent the surface thereof. The print head is capable of handling an intermediate surface and has marking material for forming an image of marking material on the intermediate surface, the image being transferable from the intermediate surface to the receiving medium …

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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 May 19, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 6, 1976
GrantedMay 19, 1981
Term endedMay 19, 1998
Patent numberCA 1101481 A
Classification (IPC)G03G15/00 +1 more

Timeline

Timeline From CIPO dates

19771980198319861989199219951998Application filedApril 6, 1976Patent grantedMay 19, 1981Term endedMay 19, 1998

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.