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DIFF Subgroup
E04B 9/34

open-work ceilings, e.g. lattice type (E04B9/30 takes precedence)

Introduced: January 1990

Title

Titles differ between systems:

IPC: Open-work ceilings, e.g. lattice type

CPC: open-work ceilings, e.g. lattice type (E04B9/30 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation > Open-work ceilings, e.g. lattice type

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) > open-work ceilings, e.g. lattice type (E04B9/30 takes precedence)

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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  • E04B 9/345 CPC only CPC only