US PATENT SUBCLASS 968 / 309
.~.~.~ With shock damping means not related to the winding stem (shock damping bearings subclass 282; shock protection subclass 378) [G04B 37/04B2]


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968 /   HD   HOROLOGY

294  DD  CASES (cases with a special shape subclass 390; ornamentation of the case subclass 395; cartridges A45C 11/00-11/38) [G04B 37/00] {13}
307  DD  .~ Mounting the clockwork in the cases; shock absorbing mountings [G04B 37/04] {5}
308  DD  .~.~ Fixed mounting of pocket watches and wrist watches [G04B 37/04B] {3}
309.~.~.~ With shock damping means not related to the winding stem (shock damping bearings subclass 282; shock protection subclass 378) [G04B 37/04B2]