Blood pressure regulator
CA 2092341 A1 · Owner: Wampum Formosa Co. Ltd. · Inventors: Kuo, Raymond R. M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A blood pressure regulator including a cylindrical casing consisted of an upper shell fastened to a lower shell to hold a charging and discharging oscillatory circuit, an insulator formed inside the upper shell an, earphone jack on the lower shell, a press-button switch on the upper shell, and a conductive clip and wire set for connecting the earphone jack to the ears whereby pressing, on the press-button switch causes charging and discharging oscillatory circuit to discharge the electricity in irritating the ears so as to drop or increase the blood pressure.
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 March 24, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 24, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 24, 2015.
- 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.