Ultrasonic medical device
CA 2543725 A1 · Owner: Perrier, John · Inventors: Perrier, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ultrasonic medical apparatus (10) is disclosed comprising ultrasonic transducers (16) and associated electronics incorporated in a portable handheld device (10) adapted for engagement with the neck of a person and energised to induce a coughing reflex in the person. The apparatus can be utilised on subjects who, for various reasons are unable to initiate coughing , themselves at the time and results in the effective clearing of fluid and debris within small airways in the lungs which cannot be reached by intrusive suction clearing.
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 October 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 16, 2025.
- 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.