US PATENT SUBCLASS 968 / 930
.~.~ Details [G04G 9/00D1]


Current as of: June, 1999
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968 /   HD   HOROLOGY

925  DD  VISUAL TIME- OR DATE-INDICATION MEANS [G04G 9/00] {9}
929  DD  .~ By light valves in general (subclasses 950 and 962 take precedence; electro-, magneto-, or acoustic-optic devices in general G02F 1/00) [G04G 9/00D] {1}
930.~.~ Details [G04G 9/00D1] {2}
931  DD  .~.~.~> Constructional [G04G 9/00D1B] {1}
933  DD  .~.~.~> Electrical, e.g., selection or application of the operating voltage, etc. [G04G 9/00D1C] {1}