Device for the simultaneous delivery of beta 2 agonists and oxygen to a patient
CA 2124410 A1 · Owner: Geoffroy, Mario · Inventors: Geoffroy, Mario; Praud, Jean-Paul; Baron, Sophie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for the simultaneous delivery of beta 2 agonists and oxygen to a patient. This device comprises a main chamber, an adaptor at one end of the chamber to accomodate a metered dose inhaler, and a mask or mouthpiece detachably mounted at the other end of the main chamber. A tube of given length is connected to and in open communication with the main chamber at one end and open to, air at the other end. A unidirectional valve is placed in the tube at a short distance from the end connected to the main chamber mounted in such a manner as to allow flow circulation within the tube towards the main chamber exclusively. An auxiliary tube is connected to and in open communication with the …
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 May 26, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 26, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 26, 2016.
- 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.