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Expired Canadian patentCanada

Stone crushing machine

CA 124875 A · Owner: Mitchell, Isaac Lemon · Inventors: Mitchell, Isaac Lemon

CIPO record

Overview

Drawings and full text

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.

Why it's free to use

  • Granted April 5, 1910. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 5, 1927.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 20, 1910
GrantedApril 5, 1910
Term endedApril 5, 1927
Patent numberCA 124875 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

191119131915191719191921192319251927Application filedJan 20, 1910Patent grantedApril 5, 1910Term endedApril 5, 1927

Sources & verification

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