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Expired Canadian patentCanada

Injection device with torsion spring and rotatable display

CA 2584762 C · Owner: Enggaard, Christian Peter · Inventors: Markussen, Tom Hede; Enggaard, Christian Peter; Moller, Claus Schmidt

CIPO record

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Abstract From the Canadian patent

The present invention relates to an injection device comprising a torsion spring operatively connected to a dose setting member being adapted to set a dose to be ejected from the injection device. A rotatably mounted display member adapted to display the dose to be ejected in accordance with a setting of the dose setting member is also provided. The rotatably mounted display member is adapted to be rotated over an angle corresponding to at least one revolution of the display member. The display member may be implemented as a dose indicator barrel having numerals arranged along a helical path on an outer surface thereof, or alternatively as a counting device having two or , more …

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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 October 20, 2005 and granted March 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 20, 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.
FiledOctober 20, 2005
GrantedMarch 18, 2014
Term endedOctober 20, 2025
Patent numberCA 2584762 C
Classification (IPC)A61M5/14 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedOct 20, 2005Patent grantedMarch 18, 2014Term endedOct 20, 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.