Application of Berliner

JOHNSON, Judge.

This is an appeal from the decision of the Board of Appeals of the United States Patent Office. The board’s decision affirmed the holding of the Primary Examiner rejecting as unpatentable over the prior art claims 1 to 6 inclusive, all the claims in appellant’s application for a “Method of Welding.”

The appealed claims relate to a method of welding a member of relatively thin, light-gauge metal to another metallic member of considerably greater mass or wall thickness. In particular, appellant discloses a method for welding a thin piece of tubing to the end of a heavy,…