US PATENT SUBCLASS 368 / 268
.~.~ Double snail

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

243  DF  SIGNALLING MEANS {6}
267  DF  .~ Repeat {1}
268.~.~ Double snail

DEFINITION

Classification: 368/268

Double snail:

(under subclass 267) Subject matter wherein the reactivation means include at least two spiral or volute shaped cams.