System and method of administering a pharmaceutical gas to a patient
CA 2836041 C · Owner: Therakos, Inc. · Inventors: Montgomery, Frederick J.; Bathe, Duncan P.L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Systems for delivering pharmaceutical gas to a patient. The systems utilize a high flow valve and a low flow valve in parallel flow paths. The pharmaceutical gas may be provided as a pulse during the first half of the patient's inspiratory cycle.
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 September 13, 2006 and granted May 17, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 13, 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.