US PATENT SUBCLASS 33 / 366.24
.~.~.~ Having pendulum sensor

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}
366.24.~.~.~ Having pendulum sensor

DEFINITION

Classification: 33/366.24

Having pendulum sensor:

(under subclass 366.11) Subject matter wherein the element executes gravity responsive motion about an axis and is supported so as to be free to swing to a position wherein (1) its center of gravity, or (2) its center of bouyancy is utilized to determine the vertical.

(1) Note. The gravity responsive motion is generally oscillatory or rotary.

SEE OR SEARCH THIS CLASS, SUBCLASS:

391+, for a nonelectrical pendulum controlled indicator.