Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F28F 1/06

crimped or corrugated in cross-section

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Tubular elements; Assemblies of tubular elements > Tubular elements of cross-section which is non-circular > crimped or corrugated in cross-section

CPC:

Tubular elements; Assemblies of tubular elements (specially adapted for movement F28F5/00) > Tubular elements of cross-section which is non-circular (F28F1/08, F28F1/10 take precedence) > crimped or corrugated in cross-section

No child classifications to compare. This is a leaf node in both IPC and CPC.