US PATENT SUBCLASS 433 / 76
.~.~.~ Parallel drilling

Current as of: June, 1999
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433 /   HD   DENTISTRY

25  DF  APPARATUS {20}
72  DF  .~ Having gauge or guide {3}
75  DF  .~.~ Having tool, marker, or coupling or guiding means therefor {1}
76.~.~.~ Parallel drilling

DEFINITION

Classification: 433/76

Parallel drilling:

(under subclass 75) Apparatus wherein means are provided to guide a drill such that the hole formed thereby will be parallel to an adjacent hole.

(1) Note. Included herein are dental drills having plural parallel drilling bits.

SEE OR SEARCH CLASS

408, Cutting by Use of Rotating Axially Moving Tool,

46, for a paralleling drill of general utility; and subclass 241 for drill guides.