US PATENT SUBCLASS 137 / 194
.~.~.~.~.~.~ With outlet extending above liquid in trap

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

154  DF  DIVERSE FLUID CONTAINING PRESSURE SYSTEMS {7}
171  DF  .~ Fluid separating traps or vents {5}
177  DF  .~.~ Discriminating outlet for liquid {4}
183  DF  .~.~.~ With fluid responsive valve {3}
187  DF  .~.~.~.~ Level responsive {2}
192  DF  .~.~.~.~.~ Float {4}
194.~.~.~.~.~.~ With outlet extending above liquid in trap

DEFINITION

Classification: 137/194

(under subclass 192) Separating traps wherein the discriminating liquid outlet pipe rises above the normal liquid level in the trap chamber, thus requiring the gas pressure in the chamber to discharge the liquid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

206+, for diverse fluid containing pressure systems in which gas is used as a liquid displacing means, and see the search notes to subclass 206.

590+, for distribution systems having internally extending pipes, and see the search notes to subclass 590.

SEE OR SEARCH CLASS

222, Dispensing,

373, for fluid pressure discharge of material from a dispenser trap.