US PATENT SUBCLASS 33 / 368
.~.~ Arresting means for movable indicator

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}
368.~.~ Arresting means for movable indicator

DEFINITION

Classification: 33/368

(under subclass 365) Device including means for securing the direction indicator in a fixed position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

344+, for means including a portion whose function is to resist, or otherwise govern, motion of the direction sensor.