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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G04C 23/42

acting only at the end of a single time interval

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals > Mechanisms measuring a chosen time interval independently of the time of day at which the interval starts > acting only at the end of a single time interval

CPC:

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

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G04C 23/44 with provision for selection from a number of preset intervals IPC+CPC Available in IPC and CPC
  • G04C 23/46 with provision for adjustment of the interval (G04C23/44 takes precedence) IPC+CPC Available in IPC and CPC