US PATENT SUBCLASS 368 / 150
.~.~.~.~.~ Weight controlled

Current as of: June, 1999
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368 /   HD   HOROLOGY: TIME MEASURING SYSTEMS OR DEVICES

139  DF  MECHANICAL TIME BASE {1}
140  DF  .~ Mainspring {7}
147  DF  .~.~ With winding {3}
148  DF  .~.~.~ Self {2}
149  DF  .~.~.~.~ Electric {1}
150.~.~.~.~.~ Weight controlled

DEFINITION

Classification: 368/150

Weight control:

(under subclass 149) Subject matter wherein a body is moved to provide energy transfer to the mainspring.