characterised by constructional features of the supporting construction

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation > characterised by constructional features of the supporting construction

CPC:

Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation (ceilings used as forms for making floors E04B5/00; coverings or linings for ceilings E04F13/00) > characterised by constructional features of the supporting construction

CPC subdivides this area 2x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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E04B 2009/062 2nd only CPC only CPC only
E04B 9/061 CPC only CPC only
E04B 9/064 CPC only CPC only
E04B 9/065 +1 CPC CPC only CPC only
E04B 9/08 having the capability of expansion since 1990 IPC+CPC Available in IPC and CPC
E04B 9/10 Connections between parallel members of the supporting construction (E04B9/08 takes precedence) since 1990 IPC+CPC Available in IPC and CPC
E04B 9/12 Connections between non-parallel members of the supporting construction (E04B9/08 takes precedence) since 1990 +2 CPC IPC+CPC Available in IPC and CPC