G21F 1/042 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G21F 1/042

Full Title

Shielding characterised by the composition of the materials > Selection of uniform shielding materials > Concretes; Other hydraulic hardening materials

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →