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)

Child Classifications

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• E04B 9/001
• E04B 9/003
• E04B 9/005
• E04B 9/006
• E04B 9/008
• E04B 9/02 having means for ventilation or vapour discharge
• E04B 9/04 comprising slabs, sheets or the like
• E04B 9/06 characterised by constructional features of the supporting construction
• E04B 9/18 Means for suspending the supporting construction
• E04B 9/22 Connection of slabs, sheets or the like to the supporting construction
• E04B 9/30 characterised by edge details of the ceiling; e.g. securing to an adjacent wall
• E04B 9/32 Translucent ceilings, i.e. permitting both the transmission and diffusion of light ( E04B9/34 takes precedence; lighting F21)
• E04B 9/34 open-work ceilings, e.g. lattice type (E04B9/30 takes precedence)