Directional flow sensor inhaler
CA 2554005 C · Owner: Microdose Therapeutx, Inc. · Inventors: Gumaste, Anand V.; Bowers, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An fluid sensor to activate and control various components of an inhalation device. The fluid sensor includes an acoustic element such as a microphone, positioned within said inhalation device to detect fluid within the device and output signals representative of the frequency direction and/or amplitude of , the fluid. These signals control and activate an electrostatic plate and/or a high frequency vibrator.
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 February 23, 2005 and granted May 28, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 23, 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.