13 VALVES FOR GAS AND LIQUIDS, AND FOR FUEL DENSITY COMPENSATORS, ESPECIALLY FOR AIRCRAFT ENVIRONMENTS
AT LEAST AS EARLY AS NOV. 30, 1961, AS TO THE SYMBOL AND "VALVE." AT LEAST AS EARLY AS NOV. 30, 1961, AS TO THE SYMBOL AND "VALVE." APPLICANT DISCLAIMS THE WORD "VALVE" APART FROM THE MARK AS SHOWN.