Channel-cut cushion supports
US8250689B2 · kind B2 · utility
22Cited by
33References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 16, 2008 |
| Grant date | Aug 28, 2012 |
| Priority date | — |
| Expiry date | Sep 16, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C27/20
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The support characteristics within a foam mattress body may be varied by inserting reinforcements into channels cut or otherwise formed within the foam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.