US PATENT SUBCLASS 968 / 964
.~.~.~ Provided with date indication [G04G 9/12C]


Current as of: June, 1999
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968 /   HD   HOROLOGY

925  DD  VISUAL TIME- OR DATE-INDICATION MEANS [G04G 9/00] {9}
954  DD  .~ By building up characters using a combination of indicating elements, e.g., by using multiplexing techniques, etc. [G04G 9/08] {5}
962  DD  .~.~ Using light valves, e.g., liquid crystals, etc. [G04G 9/12] {4}
964.~.~.~ Provided with date indication [G04G 9/12C]