Cloth respiratory mask
US10980963B1 · kind B1 · utility
0Cited by
43References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2018 |
| Grant date | Apr 20, 2021 |
| Priority date | — |
| Expiry date | Jul 9, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0618
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A respiratory mask made of cloth and having a nasal portion and an air delivery arrangement is disclosed. The cloth that is used is impermeable to air and is designed to provide a mask that will inflate to provide therapy to patients at a positive pressure. The air delivery arrangement provides air at positive pressure to the body of the mask via a hermetic seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.