F21V 19/003 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F21V 19/003

Full Title

Fastening of light sources or lamp holders (fastening electric light source solely by the coupling device H01R33/00 )

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.