E04C 2/34 composed of two or more spaced sheet-like parts (E04C2/32 takes precedence; spacers for cavity walls E04B2/44)
Introduced: September 1968
Title
Titles differ between systems:
IPC: composed of two or more spaced sheet-like parts
CPC: composed of two or more spaced sheet-like parts (E04C2/32 takes precedence; spacers for cavity walls E04B2/44)
Full Title
Full titles differ between systems:
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 > composed of two or more spaced sheet-like parts
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 two or more spaced sheet-like parts (E04C2/32 takes precedence; spacers for cavity walls E04B2/44)
CPC subdivides this area 6x more granularly than IPC with 5 additional codes.
5 codes are CPC-only extensions.
Note: 4 CPC extensions are marked as secondary classification only.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- E04C 2/36 spaced apart by transversely-placed strip material, e.g. honeycomb panels (honeycomb or other core members for layered products B32B) +1 CPC IPC+CPC Available in IPC and CPC