Patent Classification Explorer PCE

DIFF Main Group

F25D 31/00

Other cooling or freezing apparatus

Introduced: September 1968

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

Child Classifications

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F25D 31/001 CPC only CPC only
F25D 31/002 +1 CPC CPC only CPC only
F25D 31/005 CPC only CPC only
F25D 31/006 +2 CPC CPC only CPC only