• All sections
• A - Human necessities
• A47C - Chairssofasbeds
• A47C 23/145 - Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springsDivan basesSlatted bed bases using tensioned springs, e.g. of flat type forming netsSpring mattresses with rigid frame or forming part of the bedstead, e.g. box springsDivan basesSlatted bed bases using tensioned springs, e.g. of flat type combined with nets with horizontal interlocking wound springsAttachment thereof to the frame

Patent holdings for IPC class A47C 23/145

Total number of patents in this class: 0

10-year publication summary

Principal owners for this class