G06K 1/121 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G06K 1/121

Full Title

Methods or arrangements for marking the record carrier in digital fashion > otherwise than by punching

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.