US PATENT SUBCLASS 368 / 181
.~.~ With regulation

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}
181.~.~ With regulation {1}
182  DF  .~.~.~> By thermal compensation

DEFINITION

Classification: 368/181

With regulation:

(under subclass 179) Subject matter including means to adjust the operation of the pendulum.

SEE OR SEARCH THIS CLASS, SUBCLASS:

137+, for escapements with pendulum beat adjustment.

184+, for timepiece regulation, per se.