Face mask with replaceable filter cartridges and components
US11478027B2 · kind B2 · utility
0Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2021 |
| Grant date | Oct 25, 2022 |
| Priority date | — |
| Expiry date | Jun 29, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA41D2500/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed herein are methods and systems for face mask with replaceable filter cartridges and components. A face mask includes a mask component, a replaceable filter component, and a closure component. The replaceable filter component is bonded to and as between the closure component and the mask component when the closure component is attached to the mask component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.