using springs in compression, e.g. coiled

Introduced: September 1968

Full Title

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

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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A47C 23/043 using wound springs since 1974 +5 CPC IPC+CPC Available in IPC and CPC
A47C 23/047 incorporating inflatable elements since 1974 IPC+CPC Available in IPC and CPC
A47C 23/05 Frames therefor; Connecting the springs to the frame +3 CPC −1 IPC IPC+CPC Available in IPC and CPC