| 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] |