US PATENT SUBCLASS 968 / 251
.~ Having several simultaneous functions, e.g., stopping or starting the clockwork or the hands, etc. (subclass 255 takes precedence) [G04B 27/00D]


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968 /   HD   HOROLOGY

248  DD  MECHANICAL DEVICES FOR SETTING THE TIME-INDICATING MEANS [G04B 27/00] {8}
251.~ Having several simultaneous functions, e.g., stopping or starting the clockwork or the hands, etc. (subclass 255 takes precedence) [G04B 27/00D]