US PATENT SUBCLASS 33 / 579
.~ For marker movement in direction of marker axis

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

574  DF  POINT MARKER GUIDE {4}
579.~ For marker movement in direction of marker axis

DEFINITION

Classification: 33/579

For marker movement in direction of marker axis:

(under subclass 574) Subject matter wherein a point marker has an axis and the means to direct the path of the marker allows movement in the direction of the marker axis.