Positive pressure breathing assembly and demand regulator therefor
US5271390A · kind A · utility
25Cited by
9References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 1992 |
| Grant date | Dec 21, 1993 |
| Priority date | — |
| Expiry date | Mar 16, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B9/04
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A self-contained breathing assembly of the positive pressure type including a remotely positioned improved pressure demand regulator for substantially instantaneous response for breathing air having reduced operating parts substantially reducing potential breakdown and wherein there is provided a gas flow disconnect assembly between the user facepiece and gas conduits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.