Water mattress apparatus and a water bag used for the water mattress apparatus
US5647077A · kind A · utility
1Cited by
10References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 1995 |
| Grant date | Jul 15, 1997 |
| Priority date | — |
| Expiry date | Jun 12, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C27/085
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cushion unit is provided which is elastically compression-deformable on load. A case is stacked on the upper surface of the cushion unit. The case has an upper surface and lower surface with a receiving section open relative to the upper surface. A water bag is formed of a flexible water-proof sheet and containing a liquid. The stacked cushion unit and case are covered with an outer layer unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.