CPC Subgroup
G04C 23/42 acting only at the end of a single time interval
Full Title
Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals (if restricted to producing acoustic time signals by electrical means G04C21/00) > Mechanisms measuring a chosen time interval independently of the time of day at which interval starts > acting only at the end of a single time interval
2 direct subcodes
Child Classifications
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- G04C 23/44 with provision for selection from a number of preset intervals
- G04C 23/46 with provision for adjustment of the interval (G04C23/44 takes precedence)