Self-rescuer apparatus
US4840170A · kind A · utility
8Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1987 |
| Grant date | Jun 20, 1989 |
| Priority date | — |
| Expiry date | Jul 13, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B9/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention is a spacer of a respirator bag to be carried in front of the chest. Inside the respirator bag an oxygen producing chemical cartridge is positioned. On the outside of the respirator bag facing the body of the carrier, a spacer body open at its top and bottom, is positioned as a spacer between the carrier and respirator bag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.