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Expired Canadian patentCanada

Web browser graphical user interface and method for implementing same

CA 2520948 C · Owner: Lazaridis, Mihal · Inventors: Yach, David P.; Lazaridis, Mihal; Tapuska, David Francis

CIPO record

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Abstract From the Canadian patent

An improved graphical user interface for browsing web pages on small screens is provided. The user interface first displays a reduced representation of the web page on the screen. Upon selection of a portion of interest within the web page the user interface displays the selected portion in a larger size optionally in a verticalized representation. Optionally both representations can be displayed simultaneously. A method of implementing this web browser is also provided whereby initially only data sufficient to display the reduced representation of the web page is downloaded. Upon the user selecting a portion of interest within the web page data required to display the selected portion in …

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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 September 23, 2005 and granted October 30, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 23, 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.
FiledSeptember 23, 2005
GrantedOctober 30, 2012
Term endedSeptember 23, 2025
Patent numberCA 2520948 C
Classification (IPC)G06F3/04 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedSep 23, 2005Patent grantedOct 30, 2012Term endedSep 23, 2025

Sources & verification

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