US PATENT SUBCLASS 968 / 717
.~.~.~ For gear wheels or gears [G04D 3/00D8B]


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}
714  DD  .~ For treatment of the material, e.g., surface treatment, etc. [G04D 3/00D] {7}
716  DD  .~.~ For gearwork components [G04D 3/00D8] {2}
717.~.~.~ For gear wheels or gears [G04D 3/00D8B]