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Expired Canadian patentCanada

Methods and apparatus for controlling flare in roll-forming processes

CA 2497481 C · Owner: Smith, Gregory S. · Inventors: Smith, Gregory S.; Green, Jason E.

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Abstract From the Canadian patent

Methods and apparatus for controlling flare in roll-forming processes are disclosed. An example flare control system determines a first location of a formed component associated with a roll-forming process and adjusts a roller to a first position in response to determining the first location of the formed component. Adjusting the roller to the first position causes the roller to contact a surface of the formed component. The example flare control system then moves the roller from the first position to a second position. The second position is associated with a second location of the formed component. The first position and the second position are associated with controlling the flare in the …

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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 February 17, 2005 and granted September 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 17, 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.
FiledFebruary 17, 2005
GrantedSeptember 3, 2013
Term endedFebruary 17, 2025
Patent numberCA 2497481 C
Classification (IPC)B21B37/42 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 17, 2005Patent grantedSep 3, 2013Term endedFeb 17, 2025

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