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Canadian application, no grantCanada

Communications apparatus comprising optical amplifier

CA 2290955 A1 · Owner: Dellinges, Steven · Inventors: Maurer, Gregory Scott; Conway, Bruce R.; Dellinges, Steven

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

An optical communications apparatus, comprising: (a) at least one pump laser support, on which is located at least one pump laser which provides pump light energy suitable for one or more optical amplifiers; (b) a splitter support on , which is located an optical splitter the splitter having at least one inlet and a plurality of outlets; and (c) at least one optical waveguide which optically connects the pump laser(s) to the inlet(s) of the optical splitter such that pump light energy transmitted from the pump laser(s) is split into a plurality of separate portions before leaving the apparatus; the pump laser support, the splitter support and the optical waveguide constituting a …

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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 May 20, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 20, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 20, 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.
FiledMay 20, 1998
GrantedNo grant recorded
Term endedMay 20, 2018
Patent numberCA 2290955 A1
Classification (IPC)H04B10/17 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedMay 20, 1998Term endedMay 20, 2018

Sources & verification

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