34 WARM-AIR HEATING, FORCE CIRCULATING, AND VENTILATING SYSTEMS AS A COMPLETE UNIT OR PARTS THEREOF EQUIPPED FOR COAL, GAS, OR OIL HEAT GENERATORS
NO REGISTRATION RIGHTS ARE CLAIMED FOR THE WORD "SYSTEM" APART FROM THE MARK AS SHOWN IN THE DRAWING, BUT THE APPLICANT WAIVES NONE OF ITS COMMON LAW RIGHTS IN THE SAID MARK OR ANY ELEMENT THEREOF.