US PATENT SUBCLASS 33 / 375
.~.~.~ Affecting level or plumb indication


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

300  DF  INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA {23}
365  DF  .~ Level or plumb, terrestrial gravitation responsive {9}
374  DF  .~.~ Relatively movable, coacting, reference-surface sections {1}
375.~.~.~ Affecting level or plumb indication


DEFINITION

Classification: 33/375

(under subclass 374) Device wherein the members are moveable

in such a manner, that an imaginary line between the workpiece contact surfaces thereof will be shifted in its relationship to the level or plumb during such movement.