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Expired Canadian patentCanada

System and method for enabling group subscription for asynchronous push-based applications on a wireless device

CA 2604902 C · Owner: Research In Motion Limited · Inventors: Shenfield, Michael; Fritsch, Brindusa; Bibr, Viera

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Abstract From the Canadian patent

A system and method of enabling group subscription for asynchronous push-based applications on wireless devices are provided. The system comprises an application gateway , server (118) including an event sink for communicating between the system and a device. , The application gateway server is configured for communication with a back-end service via , an event source and includes a subscription collection (606) for storing subscriptions to event , sources and a subscriber collection (610) for identifying the device applications subscribed to , an event source using one of the subscriptions stored in the subscription collection. The , method comprises the steps of creating a …

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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 April 18, 2006 and granted June 11, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 18, 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.
FiledApril 18, 2006
GrantedJune 11, 2013
Term endedApril 18, 2026
Patent numberCA 2604902 C
Classification (IPC)H04W4/08

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedApril 18, 2006Patent grantedJune 11, 2013Term endedApril 18, 2026

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