H04L 1/242 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H04L 1/242

Full Title

Arrangements for detecting or preventing errors in the information received > Testing correct operation

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.