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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G04C 23/18

for operating one device at a number of different times

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 continuously running to relate the operation(s) to the time of day > for operating one device at a number of different times

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 continuously running to relate the operation(s) to the time of day > for operating one device at a number of different times

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 23/20 with contacts operated, or formed by clock hands or elements of similar form IPC+CPC Available in IPC and CPC