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Expired Canadian patentCanada

Television system with aided user program searching

CA 2673308 C · Owner: Prevue Networks, Inc. · Inventors: Boyer, Franklin E.; Demers, Timothy B.

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

A system having an adaptive browse feature and an adaptive flip feature is provided. The adaptive browse and flip features may be selected to receive program viewing suggestions. The system may provide a suggestion by displaying an adaptive browse region or adaptative flip region including a program suggestion. The system identifies programs to suggest based on a user's viewing activity. The system uses different algorithms that are user-selectable and user-adjustable to identify program suggestions. The system may query a program guide database to build a list of programs having attributes similar to the attributes of the current program or the last viewed program. The system may use an …

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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 July 16, 1999 and granted January 19, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 16, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 16, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 16, 1999
GrantedJanuary 19, 2016
Term endedJuly 16, 2019
Patent numberCA 2673308 C
Classification (IPC)H04N21/27 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedJuly 16, 1999Patent grantedJan 19, 2016Term endedJuly 16, 2019

Sources & verification

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