Method and means for detecting alcohol levels in humans
CA 1305873 C · Owner: Alcoholism And Drug Addiction Research Foundation · Inventors: Israel, Yedy; Giles, Howel Gwynne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
90245-3/PATENT.AMD/LEH/fs, Abstract, A method of detecting ethanol in lachrymal fluid is provided in which a sample of the vapors of lachrymal fluid from the eye of a person are taken and the ethanol vapor content of the sample is measured. Apparatus of the invention is provided which comprises an eyepiece contoured to form a vapor confining chamber over the eye and an ethanol detecting sensor is connected to the eyepiece to sample the vapor in the chamber.
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
- Granted August 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 2009.
- 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.