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Expired Canadian patentCanada

Data processing system

CA 1307349 C · Owner: Honda Giken Kogyo Kabushiki Kaisha · Inventors: Terai, Hiromitsu; Miyoshi, Akito

CIPO record

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

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Abstract From the Canadian patent

There is described a data processing system comprising input, display, help image memory, and data processing for effecting data processing in response to the data introduced through the input thereby manifesting the outcome of -the data processing on the display effecting, an interruption in the data processing in response to the data, and causing the help image data stored in the help image memory to be manifested on said display. The data processing system is characterized by being provided with help image altering capable of effecting at least one of the functions of addition, correction and deletion with respect to the help image data stored in the help image memory and causing the …

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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 September 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 24, 1988
GrantedSeptember 8, 1992
Term endedSeptember 8, 2009
Patent numberCA 1307349 C
Classification (IPC)G06F3/02 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedAug 24, 1988Patent grantedSep 8, 1992Term endedSep 8, 2009

Sources & verification

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