Patent classifications
E
FIXED CONSTRUCTIONS
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E04
BUILDING
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E04C
STRUCTURAL ELEMENTS; BUILDING MATERIALS
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2/00
Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
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E04C2/02
characterised by specified materials
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E04C2/10
of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
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E04C2/24
laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
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E04C2/246
combinations of materials fully covered by E04C2/16 and E04C2/20
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