Patent Yard Sign in
Expired Canadian patentCanada

Athletic shoe having external heel counter

CA 1108394 A · Owner: Brs, Inc. · Inventors: Bowerman, William J.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Abstract, An athletic shoe is described having an external heel counter member made of a resilient material for greater stability and comfort. The external heel counter is bonded to the outer surface of both sides of the heel portion of the shoe upper and extends around the heel. A multi-layered shoe sole is provided including a heel wedge layer or other raised heel portion for raising the heel of the foot above the bottom surface of the toes. The shoe sole also employs a midsole layer which extends the entire length of the shoe. In one embodiment the bottom edge of the external heel counter member surrounds the rear portion of the midsole layer and is bonded to the top of the heel wedge …

Read the whole patent

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 8, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 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.
FiledSeptember 24, 1979
GrantedSeptember 8, 1981
Term endedSeptember 8, 1998
Patent numberCA 1108394 A
Classification (IPC)A43B5/00 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedSep 24, 1979Patent grantedSep 8, 1981Term endedSep 8, 1998

Sources & verification

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