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Expired Canadian patentCanada

Management communication terminal system

CA 1252559 A · Owner: Global 360, Inc. · Inventors: Wang, An; Smutek, John M.; Ho, Shu K.

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 management communication terminal is formed by integrating an electronic, raster scanning camera with a personal computer.the terminal has a keyboard winchester disk drive,a telecommunication controller,a cathode ray tube monitor, and a thermographic raster image printer.Two, such terminals define an office information system for the exchange of information produced at the keyboards and by the cameras. In each terminal, the coded data generated at the keyboard and the raster image data generated by the camera are temporarily stored in separate data buffers and from there are routed to the monitor the printer and disk, storage. The monitor and printer are able to display and print …

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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 April 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 11, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 2, 1983
GrantedApril 11, 1989
Term endedApril 11, 2006
Patent numberCA 1252559 A
Classification (IPC)H04N1/38 +1 more

Timeline

Timeline From CIPO dates

19841987199019931996199920022005Application filedNov 2, 1983Patent grantedApril 11, 1989Term endedApril 11, 2006

Sources & verification

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