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Expired Canadian patentCanada

Methods and arrangements for caching static information for packet data applications in wireless communication systems

CA 2591167 C · Owner: Telefonaktiebolaget Lm Ericsson (Publ) · Inventors: Skog, Robert

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Abstract From the Canadian patent

The present invention relates to the caching of static information relating to a communication application executed in an user equipment in a wireless communication systems. The method of the invention is applicable in the establishment of, or during, a communication session between the user , equipment and a service application via a proxy. The user equipment sends a start message, comprising a location indicator to the proxy requesting to , utilize a service application. The proxy access a caching node by the use of the location indicator and retrieves the static information. The static information has been cached in the caching node prior to the communication session. The proxy …

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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 December 22, 2004 and granted July 8, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 22, 2024.
  • 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.
FiledDecember 22, 2004
GrantedJuly 8, 2014
Term endedDecember 22, 2024
Patent numberCA 2591167 C
Classification (IPC)H04L67/02 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedDec 22, 2004Patent grantedJuly 8, 2014Term endedDec 22, 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.