US PATENT SUBCLASS 968 / 411
.~ With attached measuring instruments, e.g., pedometer, barometer, thermometer, or compass, etc. (in combination with a tachometer which winds up the clockwork subclass 64) [G04B 47/06]


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968 /   HD   HOROLOGY

398  DD  TIMEPIECES COMBINED WITH OTHER ARTICLES WHICH DO NOT INTERFERE WITH THE RUNNING OR THE TIMEKEEPING OF THE TIMEPIECE (with magnifying glass built into the face subclass 368; clockwork cases for special purposes subclass 342; inscriptions or pictures moved by hand subclass 385; specially shaped cases, also imitation utensils subclass 390) [G04B 47/00] {9}
411.~ With attached measuring instruments, e.g., pedometer, barometer, thermometer, or compass, etc. (in combination with a tachometer which winds up the clockwork subclass 64) [G04B 47/06] {2}
412  DD  .~.~> With measuring instruments or calculating scales for indicating relationship between quantity and time (meters for measuring average speed, measuring speed by chronograph G01P; slide rules, and calculating wheels G06G; indicating or recording of quantity-time ratios G01D) [G04B 47/06B]
413  DD  .~.~> With a compass (compasses G01C 17/00) [G04B 47/06K]