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Expired Canadian patentCanada

Hay, grain and folder elevator

CA 56236 A · Owner: Grosscup, Manias George · Inventors: Grosscup, Manias George

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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.

Google PatentsCIPO record

Why it's free to use

  • Granted June 11, 1897. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 1914.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 17, 1897
GrantedJune 11, 1897
Term endedJune 11, 1914
Patent numberCA 56236 A
Classification (IPC)—

Timeline

Timeline From CIPO dates

189819001902190419061908191019121914Application filedMay 17, 1897Patent grantedJune 11, 1897Term endedJune 11, 1914

Sources & verification

Official CIPO records

Canadian Patents DatabaseClaims, description, documents and status.CIPO

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