G08B 13/1654 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G08B 13/1654

Full Title

Burglar, theft or intruder alarms > Actuation by interference with mechanical vibrations in air or other fluid

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.