US PATENT SUBCLASS 368 / 96
.~ With alternately operating indicators (e.g., chess clock)

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

89  DF  TIME INTERVAL {6}
96.~ With alternately operating indicators (e.g., chess clock)

DEFINITION

Classification: 368/96

With alternately operating indicators (e.g., chess clock):

(under subclass 89) Subject matter comprising a plurality of time indicators which operate by turns, i.e., when one timepiece is turned on, the others are turned off.