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Expired Canadian patentCanada

Method and apparatus for a home network auto-tree builder

CA 2449643 C · Owner: Deacon, Michael S. · Inventors: Harms, G. Kevin; Wolff, Robert M.; Deacon, Michael S.

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 method and system is provided far detecting commanding and controlling diverse home devices currently connected to a home network. An interface is provided for accessing the home devices that are currently connected to a home network. According to the method a device link file is generated, wherein the device link file identifies home devices that are currently connected to the home network. A device link page is created wherein the device link page contains a device button that is associated with each home device that is identified in the device link file. A hypertext link is associated with each device button wherein the hyper-text link provides a link to an HTML page that is contained …

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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 June 24, 1998 and granted April 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 24, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 24, 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.
FiledJune 24, 1998
GrantedApril 3, 2012
Term endedJune 24, 2018
Patent numberCA 2449643 C
Classification (IPC)H04L41/12 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedJune 24, 1998Patent grantedApril 3, 2012Term endedJune 24, 2018

Sources & verification

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