Investigating moving sheets (G01N21/89 takes precedence)

Introduced: January 1980

Title

Titles differ between systems:

IPC: Investigating moving sheets

CPC: Investigating moving sheets (G01N21/89 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light > Systems specially adapted for particular applications > Investigating moving sheets

CPC:

Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light (G01N3/00 - G01N19/00 take precedence) > Systems specially adapted for particular applications > Investigating moving sheets (G01N21/89 takes precedence)

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

Note: 5 CPC extensions are marked as secondary classification only.

Child Classifications

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G01N 2021/8609 2nd only +2 CPC CPC only CPC only
G01N 2021/8645 2nd only CPC only CPC only
G01N 2021/8654 2nd only CPC only CPC only
G01N 2021/8663 2nd only +2 CPC CPC only CPC only
G01N 2021/869 2nd only CPC only CPC only