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Expired Canadian patentCanada

Systems and processes for determining proper superior-inferior joint line positioning

CA 2571322 C · Owner: Smith & Nephew, Inc. · Inventors: Carson, Christopher P.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Systems and devices for determining a joint line position are disclosed. According to one embodiment, a femoral trial component device (10) comprises an anterior flange and at least one indicator (20) on the anterior flange of the femoral trial component to indicate a desired joint line position such as a patellofemoral contact point in extension.

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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 June 22, 2005 and granted February 26, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 22, 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.
FiledJune 22, 2005
GrantedFebruary 26, 2013
Term endedJune 22, 2025
Patent numberCA 2571322 C
Classification (IPC)A61F2/46 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJune 22, 2005Patent grantedFeb 26, 2013Term endedJune 22, 2025

Sources & verification

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