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Expired Canadian patentCanada

Pancake turner

CA 61809 A · Owner: Rochester, John Heberling · Inventors: Rochester, John Heberling

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.

Google PatentsCIPO record

Why it's free to use

  • Granted November 22, 1898. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 22, 1915.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 31, 1898
GrantedNovember 22, 1898
Term endedNovember 22, 1915
Patent numberCA 61809 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

189919011903190519071909191119131915Application filedOct 31, 1898Patent grantedNov 22, 1898Term endedNov 22, 1915

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

Cross-check elsewhere

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.