US PATENT SUBCLASS 236 / 31
.~.~ Float

Current as of: June, 1999
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236 /   HD   AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION

20 R  DF  CLOSED FLUID HEATERS {8}
26 R  DF  .~ Pressure-operated {11}
31.~.~ Float

DEFINITION

Classification: 236/31

(under subclass 26) Devices in which the pressure acts on a body of liquid, thereby varying the level thereof, and a

float or piston rising and falling with the change in level of the liquid operates the controlling means. Also includes devices where a float is raised more or less by change in pressure of steam thereunder when water boils.

SEE OR SEARCH THIS CLASS, SUBCLASS:

100, for other float responsive devices.