US PATENT SUBCLASS 968 / 778
.~.~.~ For complete clockworks [G04D 7/12C2]


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}
769  DD  .~ Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard (supporting devices for clocks with built-in recording apparatus subclass 681; measuring short time intervals subclass 844; frequency measuring in general H04B, G01R) [G04D 7/12] {2}
777  DD  .~.~ Wherein further adjustment devices are present [G04D 7/12C] {2}
778.~.~.~ For complete clockworks [G04D 7/12C2]