F22B 31/0007 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F22B 31/0007

Full Title

Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements or dispositions of combustion apparatus

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

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