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Expired Canadian patentCanada

Nickel-base alloy

CA 1333342 C · Owner: General Electric Company · Inventors: Haydon, John Stuart; Wood, John Herbert

CIPO record

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Abstract From the Canadian patent

A high temperature-resistant nickel-base alloy adapted for use in turbine nozzle components contains carefully balanced amount of aluminum and titanium to render the alloy repair weldable. The levels of carbon and zirconium are also carefully controlled to improve the castability of the alloy so that large turbine components may be cast without hot tearing or microshrinkage.

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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 December 6, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 6, 2011.
  • 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 26, 1988
GrantedDecember 6, 1994
Term endedDecember 6, 2011
Patent numberCA 1333342 C
Classification (IPC)C22C19/05

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJuly 26, 1988Patent grantedDec 6, 1994Term endedDec 6, 2011

Sources & verification

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