US PATENT SUBCLASS 433 / 84
.~.~.~ Power-driven tool having fluid control valve for dispensed material

Current as of: June, 1999
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433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
80  DF  .~ Having intra-oral dispensing means {4}
82  DF  .~.~ Combined with or attachment for work contacting tool or handpiece therefor {4}
84.~.~.~ Power-driven tool having fluid control valve for dispensed material {1}
85  DF  .~.~.~.~> On or adjacent handpiece or handle

DEFINITION

Classification: 433/84

Power-driven tool having fluid control valve for dispensed material:

(under subclass 82) Apparatus wherein the dispensed material is liquid or gaseous and means are provided to regulate the flow through the discharge outlet.

SEE OR SEARCH THIS CLASS, SUBCLASS:

28, for a valve which is actuated by removing a dispenser from its nonuse supporting means.

SEE OR SEARCH CLASS

137, Fluid Handling, for condition responsive valves and valves in fluid systems.

251, Valves and Valve Actuation, appropriate subclasses for valve and actuator structure, per se.