US PATENT SUBCLASS 236 / 99 R
.~ Expanding fluid

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

*  DD  THERMOSTATIC {9}
99 R.~ Expanding fluid {11}
100  DF  .~.~> Float or piston operation
99 A  DF  .~.~> Nontemperature sensor
99 B  DF  .~.~> Nonvalving device
99 C  DF  .~.~> External and internal sensors
99 D  DF  .~.~> Heat shield
99 E  DF  .~.~> Plural temperature sensors
99 F  DF  .~.~> Pivoted valve
99 G  DF  .~.~> Lever
99 H  DF  .~.~> Liquid fuel feed
99 K  DF  .~.~> Wax thermostat
99 J  DF  .~.~> In flow line

Unofficial Alpha Subclasses: R A B C D E F G H K J

DEFINITION

Classification: 236/99

(under the class definition) Devices in which the regulating means is operated directly by a thermostat of the expanding-fluid type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

4, 18, 32, 40+, 42, 56+, 64, 68, 86, and 95, for certain regulator systems incorporating such a thermostat.