(under subclass 41.01) Cooling systems having means for indicating the condition or amount of coolant in the cooling system or any part thereof and devices responsive to the condition or amount of cooling fluid for preventing injury to the engine being cooled.
SEE OR SEARCH THIS CLASS, SUBCLASS:
41.5, for tank, radiator, or jacket constructions which permit rupture of easily replaced parts in case of excessive pressure or which have compressible means or air pockets or resilient walls to prevent damage to the system.
