US PATENT SUBCLASS 122 / 105
.~.~.~.~ Over bridge wall

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

44.1  DF  FIRE TUBE {11}
51  DF  .~ Horizontal {22}
*  DD  .~.~ Water tube {4}
*  DD  .~.~.~ Rearwardly inclined {1}
105.~.~.~.~ Over bridge wall

DEFINITION

Classification: 122/105

(under subclass 51) Devices having water tubes inclined rearwardly over the bridge wall.

SEE OR SEARCH THIS CLASS, SUBCLASS:

108, and 154, for horizontal flue boilers with water tubes over the bridge wall.

265, for rearwardly inclined water tube boilers over the bridge wall.