Patent Yard Sign in
Canadian application, no grantCanada

Method of recovering failed unidirectional broadcast paths in telecommunications transoceanic ms-sp rings

CA 2310901 A1 · Owner: De Girolamo, Claudio · Inventors: De Girolamo, Claudio

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 of restoring a path in a telecommunication transoceanic ring should said, ring experience a ring failure. The ring comprising a plurality of nodes protection, fiber or channels and working fiber or channels connecting the nodes in a closed, loop; the original path being a unidirectional path installed through the working, fiber between a source node and a plurality of destination nodes; in case of failure, at least one of the nodes becoming a node adjacent to the ring failure. The method, including the step of performing a Bridge operation at the source node so that the, path is also transmitted on the protection fiber in the opposite direction to the, original path …

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 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 2310901 A1
Classification (IPC)H04L12/43 +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.