US PATENT SUBCLASS 122 / 216
.~.~.~.~ Fluid fuel

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

209.1  DF  SECTIONAL {9}
*  DD  .~ Horizontal sections {1}
214  DF  .~.~ Superimposed {3}
215  DF  .~.~.~ Central connection {2}
216.~.~.~.~ Fluid fuel

DEFINITION

Classification: 122/216

(under subclass 215) Devices heated by fluid fuel.