Application of Douglas H. Moreton

RICH, Judge.

This appeal is from the decision of the Patent Office. Board of Appeals affirming the rejection of claim 20, the only claim remaining in the application of Douglas H. Moretón, Ser. No. 369,055, filed July 20, 1953 for “Back Up Washer and Sealing Device.”

Appellant’s specification describes the invention generally as follows:

“This invention relates to sealing or packing arrangements and more particularly to a helical back up washer either alone or in combination with standard type sealing or packing rings in order to greatly increase the efficiency and longevity of the sealing…