Modifications to facilitate cooling, ventilating, or heating

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Constructional details common to different types of electric apparatus > Modifications to facilitate cooling, ventilating, or heating

CPC:

Constructional details common to different types of electric apparatus (casings, cabinets, drawers H05K5/00) > Modifications to facilitate cooling, ventilating, or heating

Of 9 combined children, 0 exist in both systems.

9 codes are CPC-only extensions.

Child Classifications

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H05K 7/20009 +4 CPC CPC only CPC only
H05K 7/20218 +6 CPC CPC only CPC only
H05K 7/2029 +10 CPC CPC only CPC only
H05K 7/2039 +5 CPC CPC only CPC only
H05K 7/20536 +8 CPC CPC only CPC only
H05K 7/20709 +5 CPC CPC only CPC only
H05K 7/20845 +4 CPC CPC only CPC only
H05K 7/2089 +5 CPC CPC only CPC only
H05K 7/20954 +4 CPC CPC only CPC only