US PATENT SUBCLASS 968 / 693
.~.~.~ For gear wheels or gears [G04D 3/00B8B]


Current as of: June, 1999
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968 /   HD   HOROLOGY

685  DD  WATCHMAKER'S OR WATCH-REPAIRER'S MACHINES OR TOOLS FOR WORKING MATERIALS (metal working in general Class B23) [G04D 3/00] {7}
686  DD  .~ For mechanical working other than with a lathe (lathes for watchmakers subclass 724) [G04D 3/00B] {10}
692  DD  .~.~ For components of gearworks (construction thereof subclass 85) [G04D 3/00B8B] {3}
693.~.~.~ For gear wheels or gears [G04D 3/00B8B]