Application of Ducci

O’CONNELL, Acting Chief Judge.

This is an appeal from the decision of the Board of Appeals of the United States Patent Office rejecting, in its original decision and on reconsideration, all the claims in appellant’s patent application entitled “Multicellular Vitreous Materials.” In the brief for the appellant, his counsel allege here that the invention defined by the 15 rejected claims is comprehensively stated in the following two claims:

“3. As an article of manufacture, a multicellular glass product constituted by glass having a coefficient of linear expansion which is lower than about 65 x…