US PATENT SUBCLASS 433 / 27
.~ Having condition sensor to transmit signal to regulate indicating device or controller

Current as of: June, 1999
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433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
27.~ Having condition sensor to transmit signal to regulate indicating device or controller {1}
28  DF  .~.~> Switch or valve controlled by presence of device on support

DEFINITION

Classification: 433/27

Having condition sensor to transmit signal to regulate indicating device or controller:

(under subclass 25) Device wherein means are provided for detecting the random occurrence of a predetermined event and releasing, terminating, or modifying a flow of energy which in turn either produces a perceptible manifestation of the event, or regulates a control means (e.g., motor, valve, solenoid, etc.).