DIFF Main Group
A47C 23/00 Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
Introduced: September 1968
Of 9 combined children, 6 exist in both systems.
3 codes are CPC-only extensions.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- A47C 23/02 using leaf springs, e.g. metal strips (wooden springs A47C23/06) since 1974 IPC+CPC Available in IPC and CPC
- A47C 23/12 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