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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

F
F23
F23J
F23J 2213/00
F23J 2213/50

CPC Subgroup Additional Only

F23J 2213/50

Top cover

Full Title

Chimneys or flues > Top cover

CPC F23J 2213/50

No direct equivalent in IPC

7 CPC-only subgroups

F23J 2213/40 F23J 2213/60

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

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