Water filled cushion
US4980939A · kind A · utility
10Cited by
6References
3Claims
0Family size
Inventor
Key dates
| Filing date | Apr 16, 1990 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Apr 16, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S5/909
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cushion dimensioned to support a seated user is comprised of an outer covering with handles defined by a continuous strap attached to the outer covering. A foam cushion layer is permanently attached to the outer covering and a liquid filled pouch is slideably enclosed by the outer covering.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.