DIFF Subgroup
A47C 23/02 using leaf springs, e.g. metal strips (wooden springs A47C23/06)
Introduced: July 1974
Title
Titles differ between systems:
IPC: using leaf springs, e.g. metal strips
CPC: using leaf springs, e.g. metal strips (wooden springs A47C23/06)
Full Title
Full titles differ between systems:
IPC:
Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases > using leaf springs, e.g. metal strips
CPC:
Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases > using leaf springs, e.g. metal strips (wooden springs A47C23/06)
No child classifications to compare. This is a leaf node in both IPC and CPC.