Patent Yard Sign in
Canadian application, no grantCanada

A method of providing continual network access for subscriber communication lines

CA 2201210 A1 · Owner: Rao, Nagaraja · Inventors: Rao, Nagaraja

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 for providing automatic restoration of network access for user lines within a communication system. The user lines interface with groups of transmission lines that include dedicated transmission lines which are connected to the user lines idle, transmission lines and reserved transmission lines. The method includes steps for making a number of transmission lines among the groups of transmission lines available for user lines which have a dedicated transmission line in a group of transmission lines that fails and for coupling each of such user lines to a respective available transmission line. The method may also include steps for delaying the coupling of such user lines if a …

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 March 27, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 27, 2017.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 27, 2019.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 27, 1997
GrantedNo grant recorded
Term endedMarch 27, 2017
Patent numberCA 2201210 A1
Classification (IPC)H04M3/30 +2 more

Timeline

Timeline From CIPO dates

1998200020022004200620082010201220142016Application filedMarch 27, 1997Term endedMarch 27, 2017

Sources & verification

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