US PATENT SUBCLASS 368 / 169
.~ Balance wheel type

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

168  DF  OSCILLATING OR RECIPROCATING MEANS {2}
169.~ Balance wheel type {1}
170  DF  .~.~> With regulation {4}

DEFINITION

Classification: 368/169

Balance wheel type:

(under subclass 168) Subject matter wherein the oscillating means is a wheel or wheellike means for regulating the beats of a timepiece.

SEE OR SEARCH THIS CLASS, SUBCLASS:

127+, for escapements with balance wheel- type oscillating means.

158+, and 161+, for electrical time bases with balance wheel-type oscillating elements.