Mask
US8714157B2 · kind B2 · utility
154Cited by
14References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2004 |
| Grant date | May 6, 2014 |
| Priority date | — |
| Expiry date | Mar 17, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A mask (30) is disclosed that has a gas outlet (37) which is quiet and provides for a diffused outlet flow of gases. The outlet (37) is preferably a slot formed between a hollow body and cover over said hollow body. The mask also preferably extends and seals under a users chin in use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.