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Expired Canadian patentCanada

Data integrator

CA 1281817 C · Owner: Bedrij, Orest W. · Inventors: Bedrij, Orest W.; Rogers, Alan L.; Bedrij, Orest J.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A computer-controlled video display presents alphanumeric or graphic data to a human user in a fashion selected to provide user control of the data transfer rate and to increase mental concentration comprehension and creativity. A set of video display regions or windows are defined having selected positions and areas for presenting data obtained from one or more registers or buffers. Associated with each display window is a set of stored parameters controlling the display of data in the window. The control parameters include parameters designating the size and location of each window, foreground and background colors and display intensity or pulsation and the source of the data to be …

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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 March 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2008.
  • 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 10, 1987
GrantedMarch 19, 1991
Term endedMarch 19, 2008
Patent numberCA 1281817 C
Classification (IPC)G09G5/00 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 10, 1987Patent grantedMarch 19, 1991Term endedMarch 19, 2008

Sources & verification

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