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Expired Canadian patentCanada

Power converter enclosure

CA 2393069 C · Owner: Alstom · Inventors: Mermet-Guyennet, Michel

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

Power converter enclosure, intended specifically to equip a traction chain of a rail vehicle including electronic power modules (4) made up of one or more semi-conductor components mounted on a substrate (5) characterised in that it includes a stand (1) including a lower double-walled panel (3), featuring an inner wall (3a) placed towards the inside of the enclosure onto which at least one substrate (5) is glued supporting a power component, the said lower double-walled panel (3) extended by at least two lateral double-walled panels (2) whose outer panels are cooled using cooling fins and in that the two walls of the lower panel (3) outline a hollow volume partially filled by a coolant and …

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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 July 5, 2002 and granted April 23, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 5, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 5, 2002
GrantedApril 23, 2013
Term endedJuly 5, 2022
Patent numberCA 2393069 C
Classification (IPC)H05K7/20 +1 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJuly 5, 2002Patent grantedApril 23, 2013Term endedJuly 5, 2022

Sources & verification

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