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Expired Canadian patentCanada

Method of and apparatus for wiping hot-dipped metal- coated wire or strip

CA 1096246 A · Owner: Australian Wire Industries Proprietary Limited · Inventors: Dim, Alexander; Porter, Maxwell R.; Adamiak, Zigmunt P.

CIPO record

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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 method of wiping hot dipped metal coated wire or strip, and an apparatus for performing the method, involving drawing the wire or strip upwardly from a bath of molten metal through a wiping bed located at the point of emergence from the bath with an interference device being positioned adjacent the wire or strip below the surface of the molten bath such as to restrict the lamella flow of molten metal entrained by the moving wire or strip. The interference device wholly or partly surrounds the wire or strip and is located below the wiping bed which bed in turn may be laterally confined or unconfined. The interference device may be of any convenient configuration such as in the form of a …

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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 24, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 24, 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.
FiledNovember 10, 1978
GrantedFebruary 24, 1981
Term endedFebruary 24, 1998
Patent numberCA 1096246 A
Classification (IPC)C23C2/22 +1 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedNov 10, 1978Patent grantedFeb 24, 1981Term endedFeb 24, 1998

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