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Expired Canadian patentCanada

Method and system for intelligent indexing of recordable event identifiers

CA 2592778 C · Owner: The Directv Group, Inc. · Inventors: Goodwin, Mark D.; Bullwinkle, Richard

CIPO record

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Abstract From the Canadian patent

A method and a system for intelligent indexing of recordable event identifiers that improve user satisfaction in searching for recordable events or recorded events. Intelligent indexing of recordable event identifiers permits the indexing of recordable event identifiers based on the most likely methods that any of a plurality of users may use to enter data for performing a search for a recordable event or a recorded event. The intelligent indexing of recordable events allows any given user to use any of the most likely methods for entering data for use in searching for a recordable event or a recorded event instead of being restricted to a single method for entering data to be used …

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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 January 5, 2006 and granted May 28, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 5, 2026.
  • 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.
FiledJanuary 5, 2006
GrantedMay 28, 2013
Term endedJanuary 5, 2026
Patent numberCA 2592778 C
Classification (IPC)G11B27/10 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 5, 2006Patent grantedMay 28, 2013Term endedJan 5, 2026

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