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Expired Canadian patentCanada

Method and apparatus for network management using periodic measurements of indicators

CA 2926855 C · Owner: Intel Corporation · Inventors: Kwak, Joseph

CIPO record

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Abstract From the Canadian patent

A beacon signal used in data communications such as the IEEE 802.11, is provided with data extensions. The data extensions permit additional information to be provided by the beacon signal. Periodic beacon requests are made during connection between a wireless transmit/receive unit (WTRU) and an access point (AP) on a WLAN. A Measurement Request field corresponding to a beacon request contains a measurement duration value and channel number for which the request applies. The beacon request permits a scan mode which includes "Active Scan" mode "Passive Scan" mode and "Beacon Table" mode.

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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 May 13, 2004 and granted September 18, 2018. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 13, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 13, 2026.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 13, 2004
GrantedSeptember 18, 2018
Term endedMay 13, 2024
Patent numberCA 2926855 C
Classification (IPC)H04W24/10 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedMay 13, 2004Patent grantedSep 18, 2018Term endedMay 13, 2024

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