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Expired Canadian patentCanada

Therapeutic pad

CA 1306912 C · Owner: Last, Anthony J. · Inventors: Last, Anthony J.

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

Therapeutic devices are disclosed. In one embodiment, a device for the prevention of and the treatment for epicondylalgia externa, popularly known as tennis elbow, is provided. The device employs a vibration absorbing pad covering either the extensor or flexor muscles of the forearm, so as to absorb and dissipate the vibrational shocks caused by the off-centre hitting of a tennis ball during pronation and supination of the wrist. The pad is tightly located against the said muscles by means of an elastic tube from the wrist area to the elbow. An elastic strap, located outside the aforementioned tube around the largest diameter of the forearm and fastened by Velcro or like fasteners, is an …

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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 September 1, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.
FiledApril 2, 1986
GrantedSeptember 1, 1992
Term endedSeptember 1, 2009
Patent numberCA 1306912 C
Classification (IPC)A61F13/00 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedApril 2, 1986Patent grantedSep 1, 1992Term endedSep 1, 2009

Sources & verification

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