US PATENT SUBCLASS 122 / 296
.~.~.~.~ Longitudinal-declined drum

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

235.11  DF  WATER TUBE {52}
*  DD  .~ Rearwardly declined {3}
*  DD  .~.~ Over bridge wall {1}
290  DF  .~.~.~ Front and rear header {4}
296.~.~.~.~ Longitudinal-declined drum

DEFINITION

Classification: 122/296

(under subclass 290) Devices in which the front and rear headers are in either direct or indirect communication with one or more drums substantially parallel with the tubes and rearwardly declined longitudinally of the boiler.

SEE OR SEARCH THIS CLASS, SUBCLASS:

471, for superheaters of similar construction.