US PATENT SUBCLASS 433 / 86
.~.~.~ Ultrasonic tool

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}
86.~.~.~ Ultrasonic tool

DEFINITION

Classification: 433/86

Ultrasonic tool:

(under subclass 82) Apparatus wherein the work contacting means is caused to vibrate by the prime mover at a very high frequency that is above audibility limit of the human ear.

SEE OR SEARCH THIS CLASS, SUBCLASS:

119, for an ultrasonic tool, per se.

SEE OR SEARCH CLASS

601, Surgery: Kinesitherapy,

1+, for ultrasonic devices employed in kinesitherapy.