Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases

Child Classifications

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• A47C 23/002 CPC only CPC only
• A47C 23/005 CPC only CPC only
• A47C 23/007 CPC only CPC only
• A47C 23/02 using leaf springs, e.g. metal strips (wooden springs A47C23/06) since 1974 IPC+CPC Available in IPC and CPC
• A47C 23/04 using springs in compression, e.g. coiled IPC+CPC Available in IPC and CPC
• A47C 23/06 using wooden springs, e.g. of slat type +2 CPC IPC+CPC Available in IPC and CPC
• A47C 23/12 using tensioned springs, e.g. flat type (A47C23/02 takes precedence) +1 CPC IPC+CPC Available in IPC and CPC
• A47C 23/30 using combinations of springs covered by more than one of the groups A47C23/02 - A47C23/12; Frames therefor IPC+CPC Available in IPC and CPC
• A47C 23/34 with provisions for giving extra support for the head or the legs IPC+CPC Available in IPC and CPC