Filtering face mask
US12343571B2 · kind B2 · utility
0Cited by
0References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2020 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Oct 3, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2239/1291
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filtration mask protects the wearer against airborne hazards. The mask is reusable and may be used in a number of configurations. The mask includes filters located to the side and beneath the line of sight of the wearer. The filters may be tailored to the use and type of environmental hazard.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.