| 968 / | HD | HOROLOGY |
| 139 | DD | INDICATING BY VISUAL MEANS (by electric lamps subclass 576; indicating by acoustical means mechanically subclass 217, electrically subclass 580; acoustic signals at preselected times mechanically subclass 229, electrically subclass 580; optical time signals at preselected times mechanically subclass 244, electrically subclass 577; continuous time indication by electric means subclass 564; visible signalling arrangements G08B 5/00) [G04B 19/00] {10} |
| 147 | DD | .~ Dials (for time-pieces without clockwork subclass 416; moving discs subclass 162; illuminated dials or hands subclass 213) [G04B 19/06] {8} |
| 149 | DD | .~.~ Geometrical arrangement of the graduations [G04B 19/08] {3} |
| 151 | | .~.~.~ Varying from the normal 12 hour arrangement [G04B 19/08D] |