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Legal Opinion

In Re Harry Tanczyn

Court of Customs and Patent Appeals

Decided July 8, 1965No. 7380PublishedCited by 6 opinions

1Opinion of the CourtAlmond, Judge

Harry Tanczyn appeals from a decision of the Board of Appeals affirming the rejection of all claims in appellant’s application. Appellant’s invention relates to a stainless steel of which claim 1 reproduced below is illustrative.

A chromium-nickel-aluminum stainless steel susceptible to precipitation-hardening by double heat-treatment from a soft, workable austenitic condition to give great strength in combination with good ductility, said steel consisting essentially of 9.00% to 20.00% chromium, 2.50% to 8.00% nickel, .70% to 2.50% aluminum, 1% to 5% molybdenum, with the sum of the chromium…

2Cases cited1 opinion

  1. Application of Guido H. Stempel, JrCourt of Customs and Patent Appeals · 1957

3Cited by6 opinions

  1. In re OrnumCourt of Customs and Patent Appeals · 1982
  2. In re EickmeyerCourt of Customs and Patent Appeals · 1979
  3. Application of William C. Rainer, Joseph H. Hitov, Edward M. Redding, Arthur W. Sloan and William D. StewartCourt of Customs and Patent Appeals · 1968
  4. Application of Abner B. Stryker, JrCourt of Customs and Patent Appeals · 1971
  5. ISCO International, Inc. v. Conductos, Inc.District Court, D. Delaware · 2003

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