US PATENT SUBCLASS 454 / 343
.~.~ Having specific air pump actuator


Current as of: June, 1999
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454 /   HD   VENTILATION

339  DF  HAVING OUTLET AIRWAY {7}
341  DF  .~ With air pump {9}
343.~.~ Having specific air pump actuator


DEFINITION

Classification: 454/343

Having specific air pump actuator:

(under subclass 341) Subject matter in which significance is attributed to a specific activator for causing the air moving apparatus to operate or stop operating.

(1) Note. Details of the specific activator must be positively claimed for proper original patent placement in this subclass.

SEE OR SEARCH CLASS

236, Automatic Temperature and Humidity Regulation, particularly

49.1, for automatic temperature and humidity regulation of a ventilator.