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Expired Canadian patentCanada

A portable voip service access module

CA 2584821 C · Owner: Bender, Doug · Inventors: Bender, Doug; Barkley, Robb; Baker, Mark

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A voice over IP(122) (VOIP) soft phone access module (VSAM 100) comprises a , soft phone (102) client installed on a portable memory (106) device (PMD). The soft phone (102) client is installed in its own read-only partition. The soft phone client is adapted to auto-run from the PMD when the PMD is connected to a computing device (120) and to load an instance of the soft phone (102) client in the volatile memory (106) of the computing device. When used with a computing device comprising a duplex audio system with analog-to-digital conversion and an Internet (130) connection the VSAM permits a VOIP service , subscriber to send and receive VOIP telephone calls through a VOIP service …

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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 October 20, 2005 and granted July 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 20, 2025.
  • 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.
FiledOctober 20, 2005
GrantedJuly 10, 2012
Term endedOctober 20, 2025
Patent numberCA 2584821 C
Classification (IPC)H04M1/67 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedOct 20, 2005Patent grantedJuly 10, 2012Term endedOct 20, 2025

Sources & verification

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