US PATENT SUBCLASS 122 / 102
.~.~.~.~ 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  .~.~.~ Horizontal {1}
102.~.~.~.~ Over bridge wall

DEFINITION

Classification: 122/102

(under subclass 51) Devices having water tubes extending horizontally over the bridge wall.

SEE OR SEARCH THIS CLASS, SUBCLASS:

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

195+, for horizontal cylindrical boilers having fire tubes, with water tubes extending horizontally over the bridge wall, where it is immaterial whether the boiler is provided with fire tubes or not.

263, for water tube boilers having water tubes horizontal over the bridge wall.