Measuring, counting, calibrating, testing or regulating apparatus

Introduced: September 1968

Title

Titles differ between systems:

IPC: Measuring, counting, calibrating, testing, or regulating apparatus

CPC: Measuring, counting, calibrating, testing or regulating apparatus

Full titles differ between systems:

IPC:

Measuring, counting, calibrating, testing, or regulating apparatus

CPC:

Measuring, counting, calibrating, testing or regulating apparatus

Of 11 combined children, 6 exist in both systems.

5 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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G04D 7/001 CPC only CPC only
G04D 7/002 +1 CPC CPC only CPC only
G04D 7/004 CPC only CPC only
G04D 7/005 CPC only CPC only
G04D 7/006 +3 CPC CPC only CPC only
G04D 7/02 for mainsprings IPC+CPC Available in IPC and CPC
G04D 7/04 for gearwork, IPC+CPC Available in IPC and CPC
G04D 7/06 for escapements IPC+CPC Available in IPC and CPC
G04D 7/08 for balance wheels +2 CPC IPC+CPC Available in IPC and CPC
G04D 7/10 for hairsprings IPC+CPC Available in IPC and CPC
G04D 7/12 Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard +2 CPC IPC+CPC Available in IPC and CPC