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Expired Canadian patentCanada

An electronic learning device with a graphic user interface for interactive writing

CA 2567751 C · Owner: Mattel, Inc. · Inventors: Aiken, Brian; Mcilvain, Scott H.

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

An interactive electronic device (10, 100) is disclosed. The device (10 100) , has a sequence of language symbols (18) and control electronics (16) operatively coupled to a graphic user interface (14) and a language-symbol selector (20, 20') having a sight (22, 22'). The sequence of language symbols (18) and the language-symbol selector (20 20') are movable in relation to one , another such that each language symbols of the sequence is viewable in the sight (22, 22'). The control electronics (16) has an electronic memory (30) having stored therein a plurality of traceable templates (32) representing each language-symbol of the sequence (18). Selection of a language symbol when 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

  • Filed May 27, 2005 and granted August 27, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 27, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 27, 2005
GrantedAugust 27, 2013
Term endedMay 27, 2025
Patent numberCA 2567751 C
Classification (IPC)G09B19/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMay 27, 2005Patent grantedAug 27, 2013Term endedMay 27, 2025

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