Patent · US Expired

Mattress or cushion structure

US6701556B2 · kind B2 · utility

139Cited by
67References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 2, 2001
Grant dateMar 9, 2004
Priority date
Expiry dateAug 2, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S5/952
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

An apparatus is configured to support at least a portion of a body thereon. The apparatus includes a cover having an interior region, and a base located within the interior region. The base includes a top foam layer, a middle foam layer, and a bottom foam layer. The top layer is coupled to the middle layer and the middle layer is coupled to the bottom layer. Each of the foam layers includes a plurality of different foam sections.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.