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Expired Canadian patentCanada

Anterior talofibular ligament ankle brace

CA 1283824 C · Owner: Nelson, Ronald E. · Inventors: Nelson, Ronald E.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

An ankle support brace to provide generalized support to the ankle and specifically protect the anterior talofibular ligament from injury or aggravation of preexistent injury. A base is conformable to the foot and ankle region of the wearer and carries lateral and medial resilient stays. The stays are vertical in the upper part of the base and curve rearwardly in the lower part of the base around the medial malleolus and lateral malleolus. An anterior talofibular ligament support strap is fixed at one end to a lower part of the base positioned to be beneath the sole of the foot proximate the heel and extends distally around the foot. The other end of the support strap is fixed to a portion …

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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 7, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 17, 1987
GrantedMay 7, 1991
Term endedMay 7, 2008
Patent numberCA 1283824 C
Classification (IPC)A61F3/00 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedNov 17, 1987Patent grantedMay 7, 1991Term endedMay 7, 2008

Sources & verification

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