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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

G
G04
G04C
G04C 17/00
G04C 17/02

CPC Subgroup

G04C 17/02

by electric lamps

Full Title

Indicating the time optically by electric means (G04C19/00 takes precedence) > by electric lamps

CPC G04C 17/02

IPC Equivalent: G04C 17/02

6 CPC-only subgroups

Data: WIPO (IPC), EPO/USPTO (CPC) — CC BY 4.0

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