US PATENT SUBCLASS 122 / 263
.~.~ Over bridge wall

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

235.11  DF  WATER TUBE {52}
262  DF  .~ Horizontal {2}
263.~.~ Over bridge wall

DEFINITION

Classification: 122/263

(under subclass 262) Devices in which the tubes are over the bridge wall.