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Expired Canadian patentCanada

Forgeable high strength austenitic alloy with copper and columbium-tantalum additions

CA 586100 A · Owner: The Babcock And Wilcox Company · Inventors: Fritz T. Eberle

CIPO record

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

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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 October 27, 1959. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 1976.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedOctober 27, 1959
Term endedOctober 27, 1976
Patent numberCA 586100 A
Classification (IPC)C22C38/00

Timeline

Timeline From CIPO dates

196019621964196619681970197219741976Patent grantedOct 27, 1959Term endedOct 27, 1976

Sources & verification

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