| 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} |
| 162 | DD | .~ Indicating by numbered bands, drums, discs, or sheets (indicating means without numbers or hands in general subclass 142; illuminated subclass 213; with optical projection digest subclass; gearwork and linking in general subclass 85; electrically driven subclass 579; counter mechanisms G06M) [G04B 19/20] {4} |
| 163 | | .~.~ By means of turning discs (disc-shaped indicating devices with a reference mark or a window subclass 145; discs driven by clockwork and producing optical special effects subclass 382; with inscriptions or drawings driven by a clockwork subclass 384; with figures or parts of figures driven by clockwork subclass 386) [G04B 19/20B] |