Nasal inhaler
CA 2405604 A1 · Owner: Foley, Martin · Inventors: Grychowski, Jerry R.; Macrae, John R.; Foley, Martin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nasal inhaler for introducing a substance to a nasal cavity of a user. The nasal inhaler comprises a chamber having an interior and an exterior an , outlet comprising an air exit passageway in flow communication with the interior of the chamber, a one-way air inlet valve in one-way flow communication with the interior of the chamber and a dosage inlet passageway , in flow communication with the interior of the chamber. A container includes a dispensing portion disposed in the dosage inlet passageway. In preferred embodiment, an adapter defines the dosage inlet passageway and is connected to the chamber. A mask also can be connected to the outlet. A method for dispensing a substance …
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 April 12, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 12, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 12, 2023.
- 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.