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Expired Canadian patentCanada

Character key incorporating navigation control

CA 2489134 C · Owner: Griffin, Jason · Inventors: Griffin, Jason; Pletikosa, Velimir

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

An electronic device including a display screen and a keyboard. The keyboard is coupled by a processor to the display screen and has a plurality of keys including a combined character and navigation key having a plurality of detectable input positions including at least one character input position corresponding to a character input for a displayable character and at least one navigation control input position corresponding to a navigation control input for movement of a navigation indicator on the display screen. The combined character and navigation key provides tactile single click feedback to a user when the combined character and navigation key is moved to any of the input positions. …

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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 December 3, 2004 and granted May 29, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 3, 2024.
  • 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.
FiledDecember 3, 2004
GrantedMay 29, 2012
Term endedDecember 3, 2024
Patent numberCA 2489134 C
Classification (IPC)G06F3/02 +1 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedDec 3, 2004Patent grantedMay 29, 2012Term endedDec 3, 2024

Sources & verification

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