US PATENT SUBCLASS 126 / 586
.~.~.~.~ Set point control

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}
585  DF  .~.~.~ Temperature responsive {4}
586.~.~.~.~ Set point control

DEFINITION

Classification: 126/586

Set point control:

(under subclass 585) Apparatus wherein at a predetermined temperature of the fluent medium, the fluent affecting device is operated.