US PATENT SUBCLASS 422 / 112
.~ Control element is fluid pressure sensitive

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

105  DF  CONTROL ELEMENT RESPONSIVE TO A SENSED OPERATING CONDITION {6}
112.~ Control element is fluid pressure sensitive {1}
113  DF  .~.~> Pressure-relief valve (e.g., pop-off valve) or check valve

DEFINITION

Classification: 422/112

Control element is fluid pressure sensitive:

(under subclass 105) Apparatus wherein the control element is responsive to fluid pressure.