DIFF Subgroup
F01P 3/20 Cooling circuits not specific to a single part of engine or machine (F01P3/22 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Cooling circuits not specific to a single part of engine or machine
CPC: Cooling circuits not specific to a single part of engine or machine (F01P3/22 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Liquid cooling > Cooling circuits not specific to a single part of engine or machine
CPC:
Liquid cooling > Cooling circuits not specific to a single part of engine or machine (F01P3/22 takes precedence)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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