G09F 23/0093 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G09F 23/0093

Full Title

Advertising on or in specific articles, e.g. ashtrays, letter-boxes (on or in vehicles G09F21/00)

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.