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Expired Canadian patentCanada

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CA 185602 A · Owner: Barret De Nazaris, Marcelino · Inventors: Barret De Nazaris, Marcelino

CIPO record

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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.

Why it's free to use

  • Granted July 23, 1918. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 1935.
  • 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 18, 1918
GrantedJuly 23, 1918
Term endedJuly 23, 1935
Patent numberCA 185602 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

191919211923192519271929193119331935Application filedMarch 18, 1918Patent grantedJuly 23, 1918Term endedJuly 23, 1935

Sources & verification

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