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Expired Canadian patentCanada

Dynamic mailbox size configuration by self-modification based on historical behavior

CA 2551707 C · Owner: Erb, Paul Andrew · Inventors: Erb, Paul Andrew

CIPO record

Overview

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

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Abstract From the Canadian patent

The present invention relates generally to call control system sub-processes for a telephone private branch exchange and, more particularly, to the configuration of mailboxes for those sub-processes. A call control system comprising a plurality of processes a mailbox for each of said processes, and wherein one of said processes is responsive to a fullness measure of corresponding said mailbox for altering the size of said corresponding mailbox during run time is provided.

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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 July 5, 2006 and granted November 26, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 5, 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.
FiledJuly 5, 2006
GrantedNovember 26, 2013
Term endedJuly 5, 2026
Patent numberCA 2551707 C
Classification (IPC)H04Q3/64 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJuly 5, 2006Patent grantedNov 26, 2013Term endedJuly 5, 2026

Sources & verification

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