Mattress or cushion structure
US6701556B2 · kind B2 · utility
139Cited by
67References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 2001 |
| Grant date | Mar 9, 2004 |
| Priority date | — |
| Expiry date | Aug 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.