US PATENT SUBCLASS 33 / FOR 100
.~.~ Electrically actuated signal or indicator (33/366)

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

*  DD  INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA {1}
*  DD  .~ Level or plumb, terrestrial gravitation responsive {1}
FOR 100.~.~ Electrically actuated signal or indicator (33/366)

DEFINITION

Classification: 33/FOR.100

Device including an electrically actuated signal or indicator, under the control of the part which is responsive to terrestrial gravitation.