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Expired Canadian patentCanada

Magnetic treatment device

CA 1329417 C · Owner: Holcomb, Robert Ray · Inventors: Holcomb, Robert Ray

CIPO record

Overview

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

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Abstract From the Canadian patent

A therapeutic permanent magnet device adapted for pain relieving placement on the bodies of living animals is provided. The device includes a plurality of magnet bodies having two positive and two negative magnetic poles and a containment body for holding the magnet bodies in a fixed orientation. A method for therapeutically placing the permanent magnet device on the human body to relieve pain is also provided.

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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 10, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 10, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 21, 1989
GrantedMay 10, 1994
Term endedMay 10, 2011
Patent numberCA 1329417 C
Classification (IPC)A61N2/08 +1 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMarch 21, 1989Patent grantedMay 10, 1994Term endedMay 10, 2011

Sources & verification

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