In re Chicago Rawhide Manufacturing Co.

Almond, Judge.

Chicago Eawhide Manufacturing Co. appeals from the decision of the Trademark Trial and Appeal Board, 161 USPQ, 553 (1969), adhered to on reconsideration, affirming the examiner in finally refusing to register the letters “DF,” as a trademark for “Mechanical Seals, Which Are Fluid Eetaining And Protecting Units For Shafts, Housings And Eelated Structures.”

The application1 in its amended form states, “The mark is used by applying it to packing slips accompanying the goods.” The application per se does not define the term “packing slips” nor indicate the scope and meaning of…