US PATENT SUBCLASS 433 / 95
.~.~ And control valve for suction

Current as of: June, 1999
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433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
91  DF  .~ Having suction orifice {5}
95.~.~ And control valve for suction

DEFINITION

Classification: 433/95

And control valve for suction:

(under subclass 91) Apparatus including means for regulating the vacuum strength at the nozzle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

84, for intra-oral dispensers provided with a fluid control valve.

98+, for dental apparatus having valves for actuating a fluid motor.