Safety pillow for preventing smoke inhalation
US4854314A · kind A · utility
3Cited by
21References
4Claims
0Family size
Inventors
Key dates
| Filing date | Nov 13, 1987 |
| Grant date | Aug 8, 1989 |
| Priority date | — |
| Expiry date | Nov 13, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B23/025
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A porous bag filled with relatively small, loose, oil coated polystyrene beads permits sufficient air intake and adequately prevents smoke inhalation when placed over the nose and mouth while in most smoky atmospheres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.