Inhaler
CA 2093809 A1 · Owner: Del Bon, Luigi · Inventors: Del Bon, Luigi; Del Bon, Franco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method with which a preferably powder type preparation is measured out for an inhalation. The preparation for this is transferred from a reservoir to the correspondingly channelled inhalation flow produced by the patient on inhaling the product, such that the inhalation flow is swirled at the same time and the preparation is flushed out by the vortex into the current of air and is distributed in it. The inhalation instrument with which the method is carried out has a dosing element (25) which is mounted so that it has limited movement, in an outlet hole (24) of a reservoir (21), such that a dosing recess (26) at the side in one, extreme position, is located inside …
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 14, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 14, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 14, 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.