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CA 101476 A · Owner: Johnston, Hugh · Inventors: Johnston, Hugh

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.

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Why it's free to use

  • Granted October 19, 1906. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 1923.
  • 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 18, 1905
GrantedOctober 19, 1906
Term endedOctober 19, 1923
Patent numberCA 101476 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

190619081910191219141916191819201922Application filedDec 18, 1905Patent grantedOct 19, 1906Term endedOct 19, 1923

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

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Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.com

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