Measuring instruments characterised by the use of mechanical techniques

Introduced: September 1968

Of 15 combined children, 14 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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G01B 3/002 +2 CPC CPC only CPC only
G01B 3/02 Rulers with scales or marks for direct reading (measuring tapes G01B3/10) IPC+CPC Available in IPC and CPC
G01B 3/10 Measuring tapes +1 CPC IPC+CPC Available in IPC and CPC
G01B 3/11 Chains for measuring length IPC+CPC Available in IPC and CPC
G01B 3/12 Measuring wheels IPC+CPC Available in IPC and CPC
G01B 3/14 Templates for checking contours IPC+CPC Available in IPC and CPC
G01B 3/16 Compasses, i.e. with a pair of pivoted arms +2 CPC IPC+CPC Available in IPC and CPC
G01B 3/18 Micrometers IPC+CPC Available in IPC and CPC
G01B 3/20 Slide gauges +1 CPC IPC+CPC Available in IPC and CPC
G01B 3/22 Feeler-pin gauges, e.g. dial gauges (for measuring contours or curvatures G01B5/20) IPC+CPC Available in IPC and CPC
G01B 3/30 Bars, blocks, or strips in which the distance between a pair of faces is fixed, although it may be preadjustable, e.g. end measure, feeler strip +1 CPC IPC+CPC Available in IPC and CPC
G01B 3/34 Ring or other apertured gauges, e.g. "go/no-go" gauge IPC+CPC Available in IPC and CPC
G01B 3/38 Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable IPC+CPC Available in IPC and CPC
G01B 3/46 Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable IPC+CPC Available in IPC and CPC
G01B 3/56 Gauges for measuring angles or tapers, e.g. conical calipers +2 CPC IPC+CPC Available in IPC and CPC