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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

B
B23
B23C
B23C 2260/00
B23C 2260/68

CPC Subgroup Additional Only

B23C 2260/68

Rings

Full Title

Details of constructional elements > Rings

CPC B23C 2260/68

No direct equivalent in IPC

14 CPC-only subgroups

B23C 2260/56 B23C 2260/72

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

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