| 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} |
| 170 | DD | .~ Clocks or watches with data indicators, e.g., calendar clocks or watches, etc.; clockwork calendars (indication by discs with numbers, in general subclass 162; link and gear work subclass 85; combination of the clockwork with a settable calendar subclass 398; calendars in general B42D 5/04, G09D 3/00; electrical counters and counting circuits H03K; clockwork for advertising G09F 23/16; devices for time computing where an unknown may be determined G02B) [G04B 19/24] {5} |
| 171 |  | .~.~ With one or more indicating devices in disc shape, construction production and support of the date indicating disc, also its fixation in a determined position [G04B 19/24B] {3} |
| 172 | DD | .~.~.~> Up to date devices (moving indicating devices not driven by the clock- work subclass 400; setting the hands subclass 248) [G04B 19/24B3] |
| 173 | DD | .~.~.~> Independent date indicating devices driven either by clockwork or by the hand, e.g., calendar watches, etc.) [G04B 19/24B5] {1} |
| 177 | DD | .~.~.~> The date indicating device being paced or freed mechanically by a clockwork movement [G04B 19/24B7] {4} |