US PATENT SUBCLASS 33 / 366.17
.~.~.~.~ Having buoyant control element

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}
366.11  DF  .~.~ Electrically actuated signal or indicator {9}
366.15  DF  .~.~.~ Fluent sensor {4}
366.17.~.~.~.~ Having buoyant control element

DEFINITION

Classification: 33/366.17

Having buoyant circuit control element:

(under subclass 366.15) Subject matter wherein the fluent sensor having a solid element supported by the fluent material.