G01B 9/02041 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G01B 9/02041

Full Title

Measuring instruments characterised by the use of optical techniques > Interferometers

Of 6 combined children, 0 exist in both systems.

6 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.