US PATENT SUBCLASS 122 / 254
.~.~ Over bridge wall

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

235.11  DF  WATER TUBE {52}
253  DF  .~ Cross {3}
254.~.~ Over bridge wall

DEFINITION

Classification: 122/254

(under subclass 253) Devices inclined in opposite directions over the bridge wall.

SEE OR SEARCH THIS CLASS, SUBCLASS:

277, for loop tubes over the bridge wall.