In re Clark

A number of claims in appellant’s application for a patent relating to an improvement in slack adjusters for use with airbrake equipment on railroad cars, etc., including claim 1, the only allowed claim *1318printed in tbe back of tbe record, having been allowed, appellant has appealed here from tbe decision of tbe Board of Appeals affirming that of the Primary Examiner in rejecting claims 12 and 19. Said rejected claims, and allowed claim 1, follow:

12. In an air brake equipment, tbe combination with a push rod and a live cylinder lever operatively connected therewith, an operating mechanism,…