Medical devices
CA 2597597 C · Owner: Chen, John Jianhua · Inventors: Holman, Thomas J.; Weber, Jan; Horn, Daniel J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Medical devices and related methods are disclosed. In some embodiments a , medical device includes an inflatable balloon (200) having a wall with an interior surface and an exterior surface defining a wall thickness therebetween, and in the exterior surface a void (220) in which the wall thickness is reduced, and a nanomaterial (230) disposed within the void.
Read the whole patent
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, 2006 and granted May 13, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 16, 2026.
- 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.