In Re Carlton

HATFIELD,' Associate Judge.

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the decision of the Primary Examiner rejecting claims 44 to 47, inclusive, in appellant’s application for a patent for. an alleged invention relating to a waterproof adhesive or binder, for bonding grit to a “grit abrading surface.”

Claims, more specific than those here involved were allowed.

Claim 44 is illustrative of the appealed claims. It reads: “44. A waterproof adhesive for bonding grit to a grit abrading surface, forming with such grit a flexible waterproof…