In re Oakes

Bland, Judge,

delivered tire opinion of the court:

The Board of Appeals of the United States Patent Office affirmed the action of the Primary Examiner in finally rejecting, upon the prior art, claims 21 and 29 of appellant’s application for a patent filed as a continuation in part of a prior application, Serial Ho. 228,188. From the decision of the board' appellant appeals here.

Claims 21 and 29 read as follows:

27. A flexible abrasive article adapted to be used wet for abrading or polishing glass, marble, and the like which comprises a sheeted backing material; .an *834impregnating or sizing coat…