Appeal No. 85-2418. May 20, 1986. Mark E. Singer, Winnetka, Ill., for appellant. Nancy C. Slutter, Trademark Examining Atty., Office of the Sol., Arlington, Va., argued, for appellee. With her on brief, were Joseph F. Nakamura, Sol. and Fred E. McKelvey, Deputy Sol. Appeal from the Trademark Trial and Appeal Board. Before SMITH, NEWMAN, and BISSELL, Circuit Judges. PAULINE NEWMAN, Circuit Judge. The U.S. Patent and Trademark Office (PTO) refused registration on the Principal Register of the service