US PATENT SUBCLASS 968 / 761
.~ For balance wheels [G04D 7/08]


Current as of: June, 1999
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968 /   HD   HOROLOGY

748  DD  MEASURING, COUNTING, CALIBRATING, TESTING, OR REGULATING APPARATUS (measuring devices and calibers in general G01B; counters in general H03K) [G04D 7/00] {11}
761.~ For balance wheels [G04D 7/08] {2}
762  DD  .~.~> For adjusting the felloe or the shafts (adjustment of the gear wheels subclass 759) [G04D 7/08B]
763  DD  .~.~> For balancing [G04D 7/08C] {3}