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Expired Canadian patentCanada

Shoe upper conforming machine

CA 1109211 A · Owner: Usm Corporation · Inventors: Garner, Derek H.

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

A shoe pulling and lasting machine having an arrangement of side grippers which are each provided with a tensioning device by which an operator can vary the tension in the upper of the shoe being lasted. Each tensioning device is operated through a wedging member an eccentrically mounted block, which also provides a self-locking facility for the tensioning device.

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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 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 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 17, 1979
GrantedSeptember 22, 1981
Term endedSeptember 22, 1998
Patent numberCA 1109211 A
Classification (IPC)A43D21/00 +1 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedSep 17, 1979Patent grantedSep 22, 1981Term endedSep 22, 1998

Sources & verification

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