DIFF Subgroup
F28F 3/06 the means being attachable to 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 attachable to 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 attachable to the element
No child classifications to compare. This is a leaf node in both IPC and CPC.