H05B 31/0057 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H05B 31/0057

Full Title

Electric arc lamps (regulating electric characteristics of arcs G05F1/02)

Of 7 combined children, 0 exist in both systems.

7 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.