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Expired Canadian patentCanada

Method and apparatus for delivering a prescriptive electrical signal

CA 1310069 C · Owner: Zion Educational Foundation · Inventors: Skolnick, Malcolm H.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Abstract of the Disclosure, Apparatus and method of transcranial electrical nerve stimulation is disclosed including the generation of a reliable, reproducible, programmable, prescriptive waveform. The applied signal has a therapeutic effect which depending, on the prescription, ameliorates pain assists in, ameliorating stress or anxiety-related disorders minimizes, the withdrawal symptoms in drug detoxification and the like. The electrical signal is a continuous and interrupted complex of pulses and has a zero net cummulative charge. The preferred application of the prescribed signal is via selected contact points on the skin of the ear. The contact points are chosen because of their known …

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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 November 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 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.
FiledJune 12, 1987
GrantedNovember 10, 1992
Term endedNovember 10, 2009
Patent numberCA 1310069 C
Classification (IPC)A61N1/36 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJune 12, 1987Patent grantedNov 10, 1992Term endedNov 10, 2009

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.