Patent Appeal No. 8058. December 5, 1968. Ralph L. Young, pro se, James W. Dent, Donald J. Rich, Washington, D.C., for appellants. Joseph Schimmel, Washington, D.C. (Fred W. Sherling, Washington, D.C., of counsel) for the Commissioner of Patents. Before WORLEY, Chief Judge and RICH, SMITH, ALMOND, and BALDWIN, Judges. BALDWIN, Judge. This appeal is from the decision of the Board of Appeals, affirming the examiner's rejection of claims 14 and 16-18 in appellants' application for "Filters" as unpatentable