US PATENT SUBCLASS 433 / 49
.~ Work support

Current as of: June, 1999
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433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
49.~ Work support {3}
50  DF  .~.~> Including tool, marker, or coupling means therefor {1}
52  DF  .~.~> Including motor or power transmitting means
53  DF  .~.~> Including means to support plural workpieces for relative movement {1}

DEFINITION

Classification: 433/49

Work support:

(under subclass 25) Apparatus comprising means to sustain the weight of a workpiece and which in turn is adapted to be supported on a surface external to the patient.

(1) Note. Tool and equipment supports are excluded from this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

77+, for storage or nonuse supporting means for dental apparatus.

163, for a hand-held work carrier.

SEE OR SEARCH CLASS

269, Work Holders, appropriate subclasses for work holders not specifically provided for in the various treatment classes.