US PATENT SUBCLASS 126 / 584
.~.~.~ Pressure responsive

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

569  DF  SOLAR HEAT COLLECTOR {18}
572  DF  .~ With control means energized in response to actuator stimulated by condition sensor {3}
583  DF  .~.~ Of fluent medium {4}
584.~.~.~ Pressure responsive

DEFINITION

Classification: 126/584

Pressure responsive:

(under subclass 583) Apparatus wherein the sensed condition is the pressure of the fluent medium.