Inhalation device
CA 2069753 A1 · Owner: Treyer, Walter · Inventors: Treyer, Walter; Del Bon, Franco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The method described relates to conditional dosing and nebulisation of a liquid or powdered preparation for inhalation. The condition for dosing and nebulisation of the preparation is that the inhaling person must produce an inhalation power according to his or her constitution and which is sufficient for an optimum effect of the inhaled preparation. Without this minimum inhalation power, no dosing and no nebulisation of the preparation is possible. The corresponding inhalation device comprises a known device for dosing and nebulising (without condition) and additional means which inhibit actuation of the device by positive locking until the minimum inhalation power is produced bythe …
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 July 26, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 26, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 26, 2013.
- 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.