US PATENT SUBCLASS 368 / 297
.~ With details of center

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

276  DF  CASES {17}
297.~ With details of center {1}
298  DF  .~.~> Integral to front or back

DEFINITION

Classification: 368/297

With details of center:

(under subclass 276) Subject matter comprising characteristics of the central movement-holding ring.