US PATENT SUBCLASS 33 / 332
.~ With marker

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

300  DF  INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA {23}
332.~ With marker

DEFINITION

Classification: 33/332

(under subclass 300) Device combined with means for making a visible sign, impression or tracing on a surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

305, for a liquid used in marking borehole direction.

308, for a pendulum mounted or directed marker used with borehole indicators.