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Expired Canadian patentCanada

Continuous electrocardiogram monitoring method and system for cardiac patients

CA 1105564 A · Owner: Karz, Allen E. · Inventors: Karz, Allen E.

CIPO record

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Abstract From the Canadian patent

A system which is capable of allowing an attending physician to continuously monitor the electrocardiogram (ECG) signals produced by a cardiac patient. The signals generated by the patient, are first recorded in real time over a predetermined time period established by the physician. At the conclusion of the predetermined time period a monitoring station is automatically alerted by telephone and commences receiving the patient's real time ECG signals directly. The recorded ECG signals are then transmitted in a compressed time fashion to the monitoring station simultaneously with the real time ECG signals. The monitoring station receives the compressed time and the real time transmitted …

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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 July 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 3, 1978
GrantedJuly 21, 1981
Term endedJuly 21, 1998
Patent numberCA 1105564 A
Classification (IPC)A61B5/04 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedAug 3, 1978Patent grantedJuly 21, 1981Term endedJuly 21, 1998

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