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Expired Canadian patentCanada

Digital wireless communication call processing systems and methods

CA 2598673 C · Owner: Giacalone, Joseph · Inventors: Giacalone, Joseph

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

Systems and methods are provided for processing a digital only call origination request. When the digital call is released a wireless , communication device does not scan for a more preferred communication system even if the wireless communication device has acquired a les preferred communication system. Instead, the device continues to be locked onto the current system. The device may wait until the expiration of a re-scan timer.

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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 27, 2006 and granted February 21, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 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.
FiledFebruary 27, 2006
GrantedFebruary 21, 2012
Term endedFebruary 27, 2026
Patent numberCA 2598673 C
Classification (IPC)H04W76/04 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 27, 2006Patent grantedFeb 21, 2012Term endedFeb 27, 2026

Sources & verification

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