F21K 5/02 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F21K 5/02

Full Title

Light sources using charges of combustible material, e.g. illuminating flash devices

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.