with substantially solid, i.e. unapertured, web (E04C3/10, E04C3/11 take precedence )

Introduced: September 1968

Title

Titles differ between systems:

IPC: with substantially solid, i.e. unapertured, web

CPC: with substantially solid, i.e. unapertured, web (E04C3/10, E04C3/11 take precedence )

Full Title

Full titles differ between systems:

IPC:

Structural elongated elements designed for load-supporting > Joists; Girders, trusses, or truss-like structures, e.g. prefabricated; Lintels; Transoms > of metal > with substantially solid, i.e. unapertured, web

CPC:

Structural elongated elements designed for load-supporting (as building aids E04G) > Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; (E04C3/38 takes precedence; for structures characterised by movable, separable, or collapsible parts E04B1/343; ) > of metal (E04C3/29 takes precedence; as reinforcing elements E04C5/06; manufacture B21) > with substantially solid, i.e. unapertured, web (E04C3/10, E04C3/11 take precedence )

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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E04C 3/065 CPC only CPC only
E04C 3/07 at least partly of bent or otherwise deformed strip- or sheet-like material IPC+CPC Available in IPC and CPC