of metal (E04C3/29 takes precedence; as reinforcing elements E04C5/06; manufacture B21)

Introduced: September 1968

Title

Titles differ between systems:

IPC: of metal

CPC: of metal (E04C3/29 takes precedence; as reinforcing elements E04C5/06; manufacture B21)

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

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)

Of 6 combined children, 4 exist in both systems.

2 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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E04C 2003/0404 2nd only +3 CPC CPC only CPC only
E04C 2003/0486 2nd only +2 CPC CPC only CPC only
E04C 3/06 with substantially solid, i.e. unapertured, web (E04C3/10, E04C3/11 take precedence ) +1 CPC IPC+CPC Available in IPC and CPC
E04C 3/08 with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders (E04C3/10, E04C3/11 take precedence) +1 CPC IPC+CPC Available in IPC and CPC
E04C 3/10 prestressed IPC+CPC Available in IPC and CPC
E04C 3/11 with non-parallel upper and lower edges, e.g. roof trusses (arched girders, portal frames E04C3/38) IPC+CPC Available in IPC and CPC