Application of Carl K. Stewart, Deceased, by Mabel R. Stewart, Administratrix, De Bonis Non

COLE, Judge.

The decision of the Board of Appeals of the United States Patent Office affirming the Primary Examiner’s rejection for lack of invention of claims 3, 4, 7, 8, 13 and 14 of appellant’s application for a patent on a process for photomechanically reproducing engineering drawings is reviewed herein. Eight claims of the application were allowed.

Illustrative of the type of engineering drawing to be reproduced by the process defined in the appealed claims is the loft layout or master drawing which is prepared as a preliminary step in connection with the production of a particular new…