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Expired Canadian patentCanada

Boot upper quarter molding machine

CA 1136360 A · Owner: International Shoe Machine Corporation · Inventors: Vornberger, Walter

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 machine for molding the quarter of a boot upper by causing a female mold (36) to press the quarter against a male mold (74). The male mold (74) is mounted bottom-up by a stem (76) connected by the front portion (72) of a beam (70) to the machine frame (14). The beam front portion (72) has a cavity (84) located above the rearmost end (82) of the male mold (74).

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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 November 30, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 1999.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 17, 1980
GrantedNovember 30, 1982
Term endedNovember 30, 1999
Patent numberCA 1136360 A
Classification (IPC)A43D11/00 +1 more

Timeline

Timeline From CIPO dates

1981198319851987198919911993199519971999Application filedDec 17, 1980Patent grantedNov 30, 1982Term endedNov 30, 1999

Sources & verification

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