US PATENT SUBCLASS 110 / 336
WALL STRUCTURE

Current as of: June, 1999
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110 /   HD   FURNACES

336WALL STRUCTURE {1}
337  DF  .~> Bridgewall

DEFINITION

Classification: 110/336

WALL STRUCTURE:

(under the class definition) Structure relating to vertical barrier construction of a combustion chamber of the class.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

6, for a boiler provided with a water cooled furnace wall.