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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

F
F16
F16N
F16N 2260/00
F16N 2260/02
F16N 2260/14

CPC Subgroup Additional Only

F16N 2260/14

using sound

Full Title

Fail safe > Indicating > using sound

CPC F16N 2260/14

No direct equivalent in IPC

8 CPC-only subgroups

F16N 2260/12 F16N 2260/16

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

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