characterised by the shape or structure (translucent E04C2/54)

Introduced: September 1968

Title

Titles differ between systems:

IPC: characterised by the shape or structure

CPC: characterised by the shape or structure (translucent E04C2/54)

Full Title

Full titles differ between systems:

IPC:

Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels > characterised by the shape or structure

CPC:

Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels (materials or manufacture, see the relevant subclasses, e.g. B27N, D21J; made in situ E04B; specially designed for insulation or other protection E04B1/62; load-carrying floor structures E04B5/02, E04B5/16; roofs consisting of self-supporting slabs E04B7/20; roof or like covering elements E04D3/00; for lining or finishing E04F13/00) > characterised by the shape or structure (translucent E04C2/54)

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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E04C 2/32 formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material +4 CPC IPC+CPC Available in IPC and CPC
E04C 2/34 composed of two or more spaced sheet-like parts (E04C2/32 takes precedence; spacers for cavity walls E04B2/44) +5 CPC IPC+CPC Available in IPC and CPC
E04C 2/38 with attached ribs, flanges, or the like, e.g. framed panels (concerned with attaching to other panels or elements to form a structure, see the places for the relevant structure, e.g. E04B2/00) +4 CPC IPC+CPC Available in IPC and CPC
E04C 2/40 composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected +1 CPC IPC+CPC Available in IPC and CPC
E04C 2/42 Gratings; Grid-like panels (reinforcing elements E04C5/00; built-in gratings E04F19/10; gratings in general F16S3/00) +3 CPC IPC+CPC Available in IPC and CPC