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Canadian application, no grantCanada

Multi-media collaboration network

CA 2234033 A1 · Owner: Dugre, Martin · Inventors: Dugre, Martin; Despars, Jacques

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

The present invention is addressed to a multi-media collaboration network which permits the development and sharing of data and video in real time over a common system. The system is established by a series of operating centers, preferably one in each city, which perform all the control functions necessary for data sharing and video sharing in each city. The operating centers are in turn linked together so that users in any one city can access a global network of users linked to the system. The operating centers are designed to be flexible so that, different types of clients requiring different levels of service can connect to the overall network. The system is also designed to permit …

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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 3, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 3, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 3, 2020.
  • 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 3, 1998
GrantedNo grant recorded
Term endedApril 3, 2018
Patent numberCA 2234033 A1
Classification (IPC)H04L65/40 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedApril 3, 1998Term endedApril 3, 2018

Sources & verification

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