US PATENT SUBCLASS 122 / 234
.~ Vertical

Current as of: June, 1999
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122 /   HD   LIQUID HEATERS AND VAPORIZERS

*  DD  TANK {2}
234.~ Vertical

DEFINITION

Classification: 122/234

(under the class definition) Boilers consisting of a closed chamber vertically disposed, in combination with means for heating it.

SEE OR SEARCH THIS CLASS, SUBCLASS:

13+, for stand boilers having heating furnaces or burners.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

361, for stand boiler tank structures.

220, Receptacles, for tank structure.