Thin sheet
US7455366B2 · kind B2 · utility
18Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 7, 2003 |
| Grant date | Nov 25, 2008 |
| Priority date | — |
| Expiry date | Oct 28, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G5/1043
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cushioning material 8 is stretched over a frame 6 by engaging only front and rear edges of the cushioning material 8 with the frame 6, thereby applying a tension to the cushioning material 8 substantially only in the longitudinal direction thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.