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Expired Canadian patentCanada

Trolley wheel

CA 110951 A · Owner: Lobel, Sigmund · Inventors: Kenney, Frank E.; Lobel, Sigmund

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 March 24, 1908. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 1925.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 21, 1906
GrantedMarch 24, 1908
Term endedMarch 24, 1925
Patent numberCA 110951 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

1907190919111913191519171919192119231925Application filedJuly 21, 1906Patent grantedMarch 24, 1908Term endedMarch 24, 1925

Sources & verification

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