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Expired Canadian patentCanada

Casting and coating with metallic particles

CA 1213792 A · Owner: Teledyne Industries, Inc. · Inventors: Zackay, Victor F.; Stuck, Earl N.

CIPO record

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Abstract From the Canadian patent

A process and device are described for producing metallic particles utilizing the Coanda Effect to draw one stream of gas toward another stream of gas flowing over a foil. Molten metal is introduced between the two gas streams, and the resulting interaction breaks up the molten metal flow into particles of appropriate size, shape, composition and the like. Various embodiments can be used for the process of producing cast articles, while other versions can be used for the process of coating and deposition of the particles in liquid, solid or partially solidified form onto a substrate.

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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 November 12, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 12, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 29, 1984
GrantedNovember 12, 1986
Term endedNovember 12, 2003
Patent numberCA 1213792 A
Classification (IPC)C23C4/12 +2 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedAug 29, 1984Patent grantedNov 12, 1986Term endedNov 12, 2003

Sources & verification

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