US PATENT SUBCLASS 122 / 282
.~.~.~ Vertical


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

235.11  DF  WATER TUBE {52}
275  DF  .~ Loop {3}
*  DD  .~.~ Over firebox {5}
282.~.~.~ Vertical {1}
283  DF  .~.~.~.~> Fluid fuel


DEFINITION

Classification: 122/282

(under subclass 275) Devices in which the looped tubes are over the firebox, their axis and plane being substantially vertical.

SEE OR SEARCH THIS CLASS, SUBCLASS:

318+, for vertical spur tubes.

359, for zigzag tubes.