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Canadian application, no grantCanada

Test access system and method for digital cross connect communication networks

CA 2376477 A1 · Owner: Jacobson, Haim · Inventors: Kramarczyk, Marian; Foni, David; Tzotzkov, Dobrin

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

A system and method for accessing a number of communication lines by one or more testing devices are disclosed. Each of the communications lines is coupled through the system and includes a first termination at a first telecommunications termination site and a second termination at a second telecommunications termination site. The system includes a number of line access devices, each of which is coupled to at least one of the communication lines terminating at the first telecommunications termination site and at least one of the communication lines terminating at the second telecommunications termination site. One or more monitoring busses are defined by a number of relays, one or …

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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 June 7, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 7, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 7, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 7, 2000
GrantedNo grant recorded
Term endedJune 7, 2020
Patent numberCA 2376477 A1
Classification (IPC)H04Q1/14 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedJune 7, 2000Term endedJune 7, 2020

Sources & verification

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