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Expired Canadian patentCanada

Intervertebral implant

CA 2598136 C · Owner: Synthes (U.S.A.) · Inventors: Buerki, Roger; Frigg, Robert; Mayer, Michael H.

CIPO record

Overview

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

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Abstract From the Canadian patent

The inventive intervertebral implant (1) in particular an artificial , intervertebral disc comprises a central axis (2), a top part (3) and a lower part (4) wherein A) , the top part (3) is , provided with a top apposition surface (5) which rests on a base plate of a superimposed , vertebral body, B) the lower part (4) is provided with a lower apposition surface (6) for resting , on the covering plate of an underneath vertebral body C) one part (3, 4) , comprises a convex joint element (12) provided with a convex sliding surface (11) and the other part (3, 4) comprises , a joint shell (13) provided with a complementary concave surface D) the , convex joint element , (12) and the convex …

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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 16, 2005 and granted October 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 16, 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 16, 2005
GrantedOctober 15, 2013
Term endedFebruary 16, 2025
Patent numberCA 2598136 C
Classification (IPC)A61F2/44

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 16, 2005Patent grantedOct 15, 2013Term endedFeb 16, 2025

Sources & verification

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