Inhaler for powdered, particularly medical substances
CA 2823392 C · Owner: Sanofi Sa · Inventors: Von Schuckmann, Alfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an inhaler (1) for powdered particularly medical substances, comprising a suction air duct (12) that extends to a mouthpiece (3) a reservoir (11) for the substance (10) and an at least linearly movable dosing chamber (26) for separating a specific amount (101) of the substance from the reservoir (11) and placing said amount (101) into a transfer position in order for the same to be transferred to the suction air flow (S). In order to further develop a generic inhaler in an advantageous manner especially so as to charge the dosing chamber by separating a specific amount of substance from the reservoir the dosing chamber (26) can be rotationally moved in a …
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 August 19, 2005 and granted June 23, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 19, 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.