US PATENT SUBCLASS 261 / 114.2
.~.~.~ Bubble caps

Current as of: June, 1999
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261 /   HD   GAS AND LIQUID CONTACT APPARATUS

75  DF  CONTACT DEVICES {11}
108  DF  .~ Wet baffle {4}
114.1  DF  .~.~ Overflow baffles {4}
114.2.~.~.~ Bubble caps

DEFINITION

Classification: 261/114.2

Bubble caps:

(under subclass 114.1) Apparatus utilizing bubble caps.