Application of Joseph F. Stephens, Eugene F. Wenzl and Mervin F. Browne

ALMOND, Judge.

This is an appeal from the decision of the Board of Appeals which affirmed the examiner’s rejection of claims 16 and 17 in appellants’ application 1 for a “Dense Faced Laminated Structure.”

The application relates to laminated fiber glass insulation panels of a type employed for closing off ceiling areas. The acoustical panel comprises an open structured, compressible backing member of relatively coarse glass fibers which are bonded at their intersections with a thermosetting, heat reactive binder. The low density backing is surfaced on at least one side with a dense skin of…