US PATENT SUBCLASS 368 / 64
.~ With supplemental power source


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

62  DF  CHRONOLOGICAL {12}
64.~ With supplemental power source


DEFINITION

Classification: 368/64

With supplemental power source:

(under subclass 62) Subject matter wherein an auxiliary source of power is incorporated in the timepiece.

(1) Note. Generally, the auxiliary power source is used in the event of failure of the primary source.

SEE OR SEARCH THIS CLASS, SUBCLASS:

203+, for timepiece power supply details, per se.