US PATENT SUBCLASS 368 / 180
.~.~ Torsion

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

168  DF  OSCILLATING OR RECIPROCATING MEANS {2}
179  DF  .~ Pendulum type {3}
180.~.~ Torsion

DEFINITION

Classification: 368/180

Torsion:

(under subclass 179) Subject matter wherein a spring or rod receives a twisting strain in order to oscillate a bob.