(under subclass 255) Apparatus in which one tank is positioned within another.
SEE OR SEARCH THIS CLASS, SUBCLASS:
259, for tanks with stacking or superposing means.
340, for jackets forming a flow path in heat-exchange type fluid handling systems.
375, for jacketed containers in a fluid handling system. The jacket may be spaced and disclosed for holding fluid, for storage, heat exchange or any other purpose, but the inlet and/or outlet is not claimed.
SEE OR SEARCH CLASS
222, Dispensing, 131, for dispensers comprising a supply container and a spaced, nondispensing jacket and subclass 183 for dispenser supply containers with nonspaced jackets.
