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Expired Canadian patentCanada

Method and arrangement for production of stampings

CA 2707416 C · Owner: Grimm, Willi · Inventors: Grimm, Willi; Takahashi, Shin

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 arrangement for production of stampings in a die is provided. The arrangement for the production of such stampings includes at least one punch for pressing the stamping out of a material strip and a device for lifting the material strip roughly horizontally the device being assigned to the material strip in the die.

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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 4, 2005 and granted November 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 4, 2025.
  • 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.
FiledJuly 4, 2005
GrantedNovember 27, 2012
Term endedJuly 4, 2025
Patent numberCA 2707416 C
Classification (IPC)B21D45/00 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJuly 4, 2005Patent grantedNov 27, 2012Term endedJuly 4, 2025

Sources & verification

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