US PATENT SUBCLASS 368 / 167
.~.~ Tuning fork

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}
167.~.~ Tuning fork

DEFINITION

Classification: 368/167

Tuning fork:

(under subclass 160) Subject matter wherein the element is a tuning fork.

SEE OR SEARCH THIS CLASS, SUBCLASS:

125, for escapements having a tuning fork.

168, for timepiece tuning forks, per se.

SEE OR SEARCH CLASS

310, Electrical Generator or Motor Structure,

25, for tuning fork-type motor structure.