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Expired Canadian patentCanada

Communication network

CA 2246780 C · Owner: Treleaven, Philip C. · Inventors: Emmott, Stephen J.; Treleaven, Philip C.; Johnson, Graham I.

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

In an open communications network such as the Internet an interface server site (40), provides advertising for consumer products. The interface server site (40) has virtual character profiles of a central character and connected characters and additionally has a virtual environment within which the central character and the connected characters interact. The central character is based on the consumer affinity characteristics of a target segment of consumers to whom it is desired to advertise the consumer products. The virtual central character has a portrayed lifestyle in which that character is depicted with the consumer products in an environment which the target segment of consumers will …

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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 8, 1998 and granted April 22, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 8, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 8, 2020.
  • 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 8, 1998
GrantedApril 22, 2003
Term endedSeptember 8, 2018
Patent numberCA 2246780 C
Classification (IPC)G06F13/00 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedSep 8, 1998Patent grantedApril 22, 2003Term endedSep 8, 2018

Sources & verification

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