US PATENT SUBCLASS 239 / 126
.~ By pressure responsive means (e.g., to sump or atmosphere)

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

124  DF  WITH SYSTEM FLUID RELIEF OR RETURN TO SUPPLY {3}
126.~ By pressure responsive means (e.g., to sump or atmosphere)

DEFINITION

Classification: 239/126

(under subclass 124) Apparatus in which relief or return to supply of spray fluid is under the control of a means sensitive to the pressure of fluid in the system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

452+, 464 and 533+, for fluid pressure responsive discharge modifiers or flow regulators.