Application of Tanczyn

JOHNSON, Judge.

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the holding of the Primary Examiner rejecting as unpatentable over the prior art claims 10, 12, and 13, the only remaining claims in appellant’s application for a patent on an “Alloy Steel and Products.”

The appealed claims relate to wrought and polished stainless steel products, such as sheet, strip, wire and the like, which are substantially free from surface imperfections such as black spots, blisters, pits and inclusion lines. According to appellant, these imperfections,…