US PATENT SUBCLASS 236 / 1 R
MISCELLANEOUS

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

1 RMISCELLANEOUS {8}
1 A  DF  .~> Burner controls not elsewhere classified in class
1 B  DF  .~> Zone control for heating and cooling medium
1 C  DF  .~> Heating and cooling controls
1 D  DF  .~> Stoker controls
1 E  DF  .~> Multistage controls {2}
1 F  DF  .~> Piezoelectric crystal and other electric unit temperature controls
1 G  DF  .~> Heat conserving damper control
1 H  DF  .~> Burner controls with automatic cutoff

Unofficial Alpha Subclasses: R A B C D E EA EB F G H

DEFINITION

Classification: 236/1

(under the class definition) Subject matter not provided for in any of the following subclasses.