| 968 / | HD | HOROLOGY |
| 809 | DD | APPARATUS WHICH CAN BE SET AND STARTED TO MEASURE OFF PREDETERMINED OR ADJUSTABLY FIXED TIME INTERVALS WITH DRIVING MECHANISMS, E.G., DOSIMETER WITH CLOCKWORK, ETC. (electric time or time-program switches H01H 43/00) [G04F 3/00] {2} |
| 810 | | .~ With mechanical driving mechanisms [G04F 3/02] {4} |
| 811 | DD | .~.~> Using mechanical signaling device [G04F 3/02B] |
| 812 | DD | .~.~> Mechanically actuated (cigar or cigarette receptacles or boxes with means for limiting the frequency of smoking A24F 15/00B) [G04F 3/02C] |
| 813 | DD | .~.~> Using electrical contacts, e.g., for actuating electro-acoustic device, etc. [G04F 3/02D] |
| 814 | DD | .~.~> Additional arrangements in connection with ordinary nonelectric clocks for this purpose [G04F 3/04] |