F21S 9/022 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F21S 9/022

Full Title

Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply > the power supply being a battery or accumulator

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.

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