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Expired Canadian patentCanada

Apparatus for transferring hot coke into a coke quenching car

CA 1095451 A · Owner: Koppers Company, Inc. · Inventors: Gidick, Ward F.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Associated with a coke quenching car preferably a one-spot, car, is a coke guide that carries a distributor trough The distributor, trough is pivotably mounted so that when the coke guide is racked out to transfer coke into the quenching car, the distributor is positioned to transfer the coke further out into the car and to better distribute the coke in the car.

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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 February 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 10, 1998.
  • 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 10, 1977
GrantedFebruary 10, 1981
Term endedFebruary 10, 1998
Patent numberCA 1095451 A
Classification (IPC)C10B39/14 +1 more

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedMay 10, 1977Patent grantedFeb 10, 1981Term endedFeb 10, 1998

Sources & verification

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