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

Full Title

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)

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
• E04C 2/34 composed of two or more spaced sheet-like parts (E04C2/32 takes precedence; spacers for cavity walls E04B2/44)
• 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)
• E04C 2/40 composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected
• E04C 2/42 Gratings; Grid-like panels (reinforcing elements E04C5/00; built-in gratings E04F19/10; gratings in general F16S3/00)