US PATENT SUBCLASS 33 / 671
.~.~.~ For marking center of a hole


Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

501  DF  GAUGE {61}
666  DF  .~ With point marker {7}
670  DF  .~.~ Having marker centering means {4}
671.~.~.~ For marking center of a hole


DEFINITION

Classification: 33/671

For marking center of hole:

(under subclass 670) Subject matter with means to center the marker or its guide within a hole.

(1) Note. Subject matter of this subclass type may include a template with a hole to establish a point on an object or the center of a hole in an object.