US PATENT SUBCLASS 122 / 352
.~.~.~.~ Offset firebox

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

235.11  DF  WATER TUBE {52}
332  DF  .~ Vertical {10}
*  DD  .~.~ Plural upper transverse drum {1}
*  DD  .~.~.~ Plural lower transverse drum {1}
352.~.~.~.~ Offset firebox

DEFINITION

Classification: 122/352

(under subclass 332) Devices having a plurality of upper transverse drums and a plurality of lower transverse drums with vertical water tubes connecting the upper and lower drums and with a firebox offset from the main boiler structure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

238, 301 and 336, for analogous art.