US PATENT SUBCLASS 122 / 324
.~ Straddle

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

235.11  DF  WATER TUBE {52}
324.~ Straddle {2}
*  DD  .~.~> Plural upper drum {1}
*  DD  .~.~> Single upper drum {1}

DEFINITION

Classification: 122/324

(under subclass 235) Devices having water tubes that straddle the combustion chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

99, 270 and 317, for other types of straddle water tube boilers.