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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F28F 3/04

the means being integral with the element

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Plate-like or laminated elements; Assemblies of plate-like or laminated elements > Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations > the means being integral with the element

CPC:

Plate-like or laminated elements; Assemblies of plate-like or laminated elements (specially adapted for movement F28F5/00) > Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations (F28F3/08 takes precedence) > the means being integral with the element

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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