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Expired Canadian patentCanada

Medical device with varying physical properties and method for forming same

CA 2541234 C · Owner: Boston Scientific Scimed, Inc. · Inventors: Burgmeier, Robert; Goodin, Richard L.; Delaney, Joseph Jr.

CIPO record

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Abstract From the Canadian patent

A medical device in which a melt processed part has different crystallized properties at different locations. The part is formed of a polymer composition by inclusion a of polymer crystallization modifier in the composition making up at least a portion of such part, the amount of the polymer crystallization modifier is varied at different locations on the part in accordance with the desired difference in crystallization behavior.

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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 December 3, 2004 and granted April 15, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 3, 2024.
  • 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.
FiledDecember 3, 2004
GrantedApril 15, 2014
Term endedDecember 3, 2024
Patent numberCA 2541234 C
Classification (IPC)A61L29/04 +2 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedDec 3, 2004Patent grantedApril 15, 2014Term endedDec 3, 2024

Sources & verification

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