Improvements relating to respiratory circuits
CA 2589113 C · Owner: Intersurgical Ag · Inventors: Pittaway, Alan; Holder, Michael John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cartridge (120) is disclosed that is suitable for incorporation within a respiratory circuit. The cartridge (120) is adapted to contain a material for treating respiratory gases and comprises an inlet (122) and an outlet such that respiratory gases flow, in use, through the interior of the cartridge (120) and interact with the material. The cartridge (120) includes means for guiding the respiratory gas transversely relative to its direction of flow through the interior of the cartridge (120).
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 November 24, 2005 and granted October 9, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 24, 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.
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.