US PATENT SUBCLASS 33 / 359
.~.~.~.~.~ Pivoted adjustment

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

300  DF  INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA {23}
355 R  DF  .~ Magnetic field responsive {6}
356  DF  .~.~ Error indicator, preventor, or compensator {1}
357  DF  .~.~.~ Error-producting-field minimizing {1}
358  DF  .~.~.~.~ Adjustable positioned permanent magnet {1}
359.~.~.~.~.~ Pivoted adjustment

DEFINITION

Classification: 33/359

(under subclass 358) Device wherein the permanent magnet is supported for pivotal or swinging movement.