US PATENT SUBCLASS 368 / 39
.~ Movable drum

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

28  DF  WITH CALENDAR INDICATOR {7}
39.~ Movable drum

DEFINITION

Classification: 368/39

Movable drum:

(under subclass 28) Subject matter wherein at least one of the timepiece indicators is a rotating cylinder.