US PATENT SUBCLASS 433 / 153
.~.~ Having relatively movable work engaging surfaces

Current as of: June, 1999
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433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
141  DF  .~ Hand manipulatable implement {10}
153.~.~ Having relatively movable work engaging surfaces {5}
154  DF  .~.~.~> Three or more relatively movable coacting surfaces {1}
156  DF  .~.~.~> Including contoured work shaping surface
157  DF  .~.~.~> Pivoted {2}
161  DF  .~.~.~> Screw actuated
162  DF  .~.~.~> Resiliently biased

DEFINITION

Classification: 433/153

Having relatively movable work engaging surfaces:

(under subclass 141) Apparatus including a plurality members,

each having a work contacting face, and structure connecting the members which permits relative displacement between the work contacting faces.

SEE OR SEARCH CLASS

81, Tools,

300+, for tools in general having jaws positioned by relatively moving handles and subclass 487 for other hand-held tools having a clamp.