Inhaler
CA 2076938 A1 · Owner: Altermatt, Daniel · Inventors: Hilpert, Hanspeter; Khanna, Satish Chandra; Altermatt, Daniel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
47-18584/18771/A, Inhaler, Abstract, An inhaler for introducing a metered amount of solids for example pharmaceutically, active powders into a stream of air drawn in by a user comprises a storage chamber (4) into which a metering rod (5) extends. The metering rod (5) is provided with a metering recess (50) which fixes the amount of solids to be mixed with the air stream. The storage chamber (4) and the metering rod (5) are movable relative to each other in such a manner that in a first relative position of the metering rod (5) and the storage chamber (4) the metering recess (50) of the metering rod (5) is located in the storage chamber (4) where it, is filled with solids, and in a second …
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 26, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 26, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 26, 2014.
- 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.