US PATENT SUBCLASS 55 / 311
.~.~ Relief means is downstream of media (e.g., ambient air bypasses filter)

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

309  DF  WITH SEPARATING MEDIA BYPASS OR SYSTEM GAS PRESSURE RELIEF (E.G., RUPTURABLE OR DEFORMABLE) {3}
310  DF  .~ Pressure relief means to or from atmosphere {1}
311.~.~ Relief means is downstream of media (e.g., ambient air bypasses filter)

DEFINITION

Classification: 55/311

(under subclass 310) Apparatus in which the means is physically situated below the separating means in the path of travel of the system fluid.