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Expired Canadian patentCanada

Mold wear compensator

CA 1234675 A · Owner: Gladwin, Corporation (Delaware) · Inventors: Gladwin, Kirk M.

CIPO record

Overview

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

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Abstract From the Canadian patent

A mold for continuous casting of molten metal has front rear and, opposed side walls is arranged in a rectangular or box-like configuration and is open at the top and bottom to define a mold cavity. As the metal being cast flows downwardly through the mold, the metal contacts a bearing member at the lower end of the mold. The bearing member reduces contact between the metal and the mold wall thus reducing wear of the mold wall. The bearing member is adjustable to control the degree of contact between the metal and the mold wall.

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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 April 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 5, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 19, 1984
GrantedApril 5, 1988
Term endedApril 5, 2005
Patent numberCA 1234675 A
Classification (IPC)B22D11/04

Timeline

Timeline From CIPO dates

1985198819911994199720002003Application filedJuly 19, 1984Patent grantedApril 5, 1988Term endedApril 5, 2005

Sources & verification

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