Mattress with variable height and hardness and method for adjusting the height and hardness of the same
US11786050B2 · kind B2 · utility
1Cited by
20References
19Claims
0Family size
Inventor
Key dates
| Filing date | Feb 20, 2020 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Mar 1, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C31/105
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A mattress having variable height and hardness is disclosed. The mattress comprises a base layer held by a mattress cover using an extendable attachment system. The mattress further comprises one or more top layers made of resilient material which are stacked on top of the base layer. Only friction between the material of the top layers limit the lateral or longitudinal movements of a layer with regard to another layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.