US PATENT SUBCLASS 122 / 283
.~.~.~.~ Fluid fuel

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


122 /   HD   LIQUID HEATERS AND VAPORIZERS

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

DEFINITION

Classification: 122/283

(under subclass 282) Devices heated by fluid fuel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

319, for similar boilers having spur tubes.

356, for similar devices having zigzag tubes.