US PATENT SUBCLASS 122 / 120
.~.~ Offset firebox

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

44.1  DF  FIRE TUBE {11}
114  DF  .~ Vertical {13}
120.~.~ Offset firebox

DEFINITION

Classification: 122/120

(under subclass 114) Devices having an offset firebox out of alinement with the fire tubes. The firebox is generally of the water firebox type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

175, for vertical flue boilers with an offset water firebox.