US PATENT SUBCLASS 433 / 99
.~.~ In handpiece

Current as of: June, 1999
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433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
98  DF  .~ Including activator or regulator for controller or drive {2}
99.~.~ In handpiece {1}
100  DF  .~.~.~> Fluid control valve

DEFINITION

Classification: 433/99

In handpiece:

(under subclass 98) Apparatus wherein an actuator for the means which initiates or modifies an energy flow or signal is carried on a hand-held device which includes either means to drive or to transmit power to a tool releasably secured thereto.