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Expired Canadian patentCanada

System for testing human factors and performance of a system program

CA 1293057 C · Owner: Mesnard, Robert M. · Inventors: Mesnard, Robert M.; Kerr, Randal H.

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Abstract From the Canadian patent

A system for testing certain attributes (i.e. performance and usability) of an interactive system program. A memory device stores data representative of interactive commands generated by a user. A device is also provided for executing an emulator overlay connected to the memory device for receiving data therefrom and modifying it in subsequent transmission. The emulator overlay has a time measuring device associated with it for determining performance of an interactive system program. A device is also provided for storing and executing an interactive system program connected to the emulator overlay. Finally another memory device is provided for storing the data representative of system …

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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 December 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 10, 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.
FiledFebruary 2, 1987
GrantedDecember 10, 1991
Term endedDecember 10, 2008
Patent numberCA 1293057 C
Classification (IPC)G06F11/34

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedFeb 2, 1987Patent grantedDec 10, 1991Term endedDec 10, 2008

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