Multi-layered support system
US8118920B2 · kind B2 · utility
98Cited by
62References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2011 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Mar 15, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G7/05738
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In various embodiments, a support system includes a multi-layer cover sheet with a number of layers. In certain embodiments, a source to move air inside and outside the multi-layer cover sheet can be provided. The source can include a source of positive pressure or negative pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.