Respirator facepieces
US7261104B2 · kind B2 · utility
39Cited by
14References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 2002 |
| Grant date | Aug 28, 2007 |
| Priority date | — |
| Expiry date | Jul 20, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA62B18/082
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The present invention provides an air-purifying respirator facepiece with a removable, one-piece filter element connector. It also has a removable component housing in the lens as well as a nosecup without inhalation valves that prevents fogging of the portion of the lens used for viewing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.