Patent Yard Sign in
Expired Canadian patentCanada

Method of organizing communication and system for carrying out the meth0d

CA 2129546 C · Owner: Telefonaktiebolaget Lm Ericsson · Inventors: Jonsson, Bjorn Erik Rutger

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A method and a system for establishing communication between two users over at least one telecommunication network, The invention is characterized in that communication is established in the form of a meeting between the users. The users cooperate in the establishment of the meeting by the first user. A sending a meeting request to an intermediary, called meeting broker, which negotiates with the users in order to establish the conditions under which the proposed meeting shall take place. A connection between the users is not established on the initiative of the meeting broker until both users are in agreement with the conditions.

Read the whole patent

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 1, 1993 and granted October 16, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 1, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 1, 2015.
  • 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 1, 1993
GrantedOctober 16, 2001
Term endedFebruary 1, 2013
Patent numberCA 2129546 C
Classification (IPC)H04Q3/42 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedFeb 1, 1993Patent grantedOct 16, 2001Term endedFeb 1, 2013

Sources & verification

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