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Expired Canadian patentCanada

Cardiac resuscitator and monitoring apparatus

CA 1078024 A · Owner: Cardiac Resuscitator Corporation · Inventors: Rullman, Robert G.; Diack, Archibald W.; Welborn, Warren S.

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, The disclosed apparatus attaches to the patient for monitoring the patient's condition and administering the correct electrical stimulation to a suspected heart attack victim as soon as possible after the occurrence of the attack and in the absence of medical personnel. The apparatus preferably includes an oro-pharyngeal airway provided with electrodes for ascertaining electrical activity of the heart. A microphone attached to the airway or a, strain gauge applied elsewhere to the patient's body detects bodily motion, for example respiration. If neither substantial electrical activity nor bodily motion is detected, the patient is considered to be in a cardiac arrest and a pacing …

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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 May 20, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 20, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMay 20, 1980
Term endedMay 20, 1997
Patent numberCA 1078024 A
Classification (IPC)A61N1/36 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedMay 20, 1980Term endedMay 20, 1997

Sources & verification

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