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Expired Canadian patentCanada

Unlicensed-radio access networks in a mobile communications system

CA 2553155 C · Owner: Nylander, Tomas · Inventors: Vikberg, Jari Tapio; Nylander, Tomas

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Cellular mobile networks can include unlicensed-radio access networks which , comprise access point controllers (303) connected via a fixed broadband network (302) to access points (301) that communicate with mobile stations (1) via unlicensed radio. The access points are connected to the broadband network from any location by the subscriber. In order to alleviate the configuration required to enable handover each access point controller is assigned to a location area defined in the conventional cellular network. A mobile station entering the mini-cell of an access point sends the access point information concerning the location area for the last cell of conventional network it …

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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 February 18, 2004 and granted April 29, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 18, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 18, 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.
FiledFebruary 18, 2004
GrantedApril 29, 2014
Term endedFebruary 18, 2024
Patent numberCA 2553155 C
Classification (IPC)H04W92/02 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedFeb 18, 2004Patent grantedApril 29, 2014Term endedFeb 18, 2024

Sources & verification

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