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Expired Canadian patentCanada

Mould mechanism

CA 105575 A · Owner: Allen, Eugene D. · Inventors: Allen, Eugene D.

CIPO record

Overview

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

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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.

Google PatentsCIPO record

Why it's free to use

  • Granted May 28, 1907. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 28, 1924.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 8, 1907
GrantedMay 28, 1907
Term endedMay 28, 1924
Patent numberCA 105575 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190819101912191419161918192019221924Application filedMarch 8, 1907Patent grantedMay 28, 1907Term endedMay 28, 1924

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

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