Mask
US9339621B2 · kind B2 · utility
38Cited by
18References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2015 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Aug 21, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A mask is disclosed that has a gas outlet which is quiet and provides for a diffused outlet flow of gases. The outlet is preferably a slot formed between a hollow body and cover over said hollow body. The mask also preferably extends and seals under a user's chin in use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.