Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant

Introduced: January 1980

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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G01B 21/02 for measuring length, width, or thickness (G01B21/10 takes precedence) since 1980 IPC+CPC Available in IPC and CPC
G01B 21/10 for measuring diameters since 1980 IPC+CPC Available in IPC and CPC
G01B 21/16 for measuring distance of clearance between spaced objects since 1980 IPC+CPC Available in IPC and CPC
G01B 21/18 for measuring depth since 1980 IPC+CPC Available in IPC and CPC
G01B 21/20 for measuring contours or curvatures, e.g. determining profile since 1980 IPC+CPC Available in IPC and CPC
G01B 21/22 for measuring angles or tapers; for testing the alignment of axes since 1980 IPC+CPC Available in IPC and CPC
G01B 21/28 for measuring areas since 1980 IPC+CPC Available in IPC and CPC
G01B 21/30 for measuring roughness or irregularity of surfaces since 1980 IPC+CPC Available in IPC and CPC
G01B 21/32 for measuring the deformation in a solid since 1980 IPC+CPC Available in IPC and CPC