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Expired Canadian patentCanada

Model for communication between manufacturing and enterprise levels

CA 2549321 C · Owner: Aupperlee, Eric · Inventors: De La Rosa, David; Keever, John; Aupperlee, Eric

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 device for communicating with low level controllers and sensors located on the production floor of an enterprise directly from the top level of the enterprise. The device comprises a controller which interfaces with programmable logic controllers (PLCs) via the backplane into which the PLCs are plugged. Users are able to define triggers that specify the circumstances under which data points within the PLCs are transported to the enterprise level where they may be stored in a database or sent directly to enterprise application via one of a number of possible transfer protocols. The invention also includes a software client which allows users to set up transfer triggers and view data points …

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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 31, 2006 and granted February 4, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 31, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 31, 2006
GrantedFebruary 4, 2014
Term endedMay 31, 2026
Patent numberCA 2549321 C
Classification (IPC)G05B23/02 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMay 31, 2006Patent grantedFeb 4, 2014Term endedMay 31, 2026

Sources & verification

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