US PATENT SUBCLASS 368 / 137
.~.~.~ With beat adjuster

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

124  DF  ESCAPEMENTS {1}
125  DF  .~ With oscillating or reciprocating means {3}
134  DF  .~.~ Pendulum type {3}
137.~.~.~ With beat adjuster {1}
138  DF  .~.~.~.~> Having a verge

DEFINITION

Classification: 368/137

With beat adjuster:

(under subclass 134) Subject matter including means to regulate the oscillation of the pendulum.

SEE OR SEARCH THIS CLASS, SUBCLASS:

181+, for regulating pendulum-type oscillating means, per se.