CPC Subgroup
E04C 2/40 composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected
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) > composed of a number of smaller components rigidly or movably connected together, e.g. interlocking, hingedly connected
1 direct subcode
Child Classifications
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