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Expired Canadian patentCanada

Controlling visibility of a wireless device in discoverable mode

CA 2554325 C · Owner: Brown, Michael K. · Inventors: Brown, Michael K.; Brown, Michael S.; Kirkup, Michael G.

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 wireless device in a discoverable mode controls its visibility by determining whether to ignore or respond to an inquiry received from an inquiring device that is searching for discoverable devices based at least in part on one or more properties of the inquiring device. The wireless device will respond to the inquiry if an identifier of the inquiring device is ascertainable from the inquiry and the identifier is in a set of identifiers of one or more devices previously connected to the wireless device.

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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 27, 2006 and granted December 11, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 27, 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.
FiledJuly 27, 2006
GrantedDecember 11, 2012
Term endedJuly 27, 2026
Patent numberCA 2554325 C
Classification (IPC)H04W48/16 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJuly 27, 2006Patent grantedDec 11, 2012Term endedJuly 27, 2026

Sources & verification

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