Court of Customs and Patent Appeals February 8, 1957, Patent Appeal 6254 (Application of Harry Tanczyn)

WORLEY, Judge.

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the final rejection by the Primary Examiner of the single remaining claim of appellant’s application for a patent on a manganese-nitrogen pre-alloy, on the ground of lack of invention over the prior art. The claim reads:

“9.