Application of John T. Rauen

MARTIN, Judge.

This appeal is from a decision of the Board of Appeals affirming the rejection of claims 1-6 and 8-10, the only claims remaining in application serial No. 87,-979, filed February 8, 1961 for “Tube Coupling.” The issue is obviousness under 35 U.S.C. § 103.

The invention relates to an improvement in tube couplings of the “Ermeto” type. By reference to appellant’s Figures 2-4, the conventional “Ermeto” coupling can be seen as comprising three cooperating parts:

1.) a tube connecting body, 10, having flared mouths 14, 16 and shoulders 18, 20 to receive the ends of tubes (only a single…