US PATENT SUBCLASS 368 / 161
.~.~ Balance wheel type

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

155  DF  ELECTRICAL TIME BASE {2}
160  DF  .~ For reciprocating or oscillating element {3}
161.~.~ Balance wheel type {3}
162  DF  .~.~.~> With coil
163  DF  .~.~.~> With magnet
164  DF  .~.~.~> With opening and closing of contacts

DEFINITION

Classification: 368/161

Balance wheel type:

(under subclass 160) Subject matter wherein the element is a wheel for regulating the beats of timepieces.

SEE OR SEARCH THIS CLASS, SUBCLASS:

127+, for balance wheel type-escapements.

158, for solid-state, electrical, balance wheel type time base.

169+, for balance wheel type-oscillating means for timepieces.

325+, for balance wheel staff details.