US PATENT SUBCLASS 122 / 313
.~.~ Over bridge wall

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

235.11  DF  WATER TUBE {52}
305  DF  .~ Spur {8}
313.~.~ Over bridge wall

DEFINITION

Classification: 122/313

(under subclass 305) Devices in which the spur water tubes extend over the bridge wall.