Personal environmental protection apparatus
US8453262B2 · kind B2 · utility
20Cited by
11References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 24, 2008 |
| Grant date | Jun 4, 2013 |
| Priority date | — |
| Expiry date | Mar 18, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/286
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A respirator apparatus including an improved helmet or headgear construction with a unique shield including a protective lens and cuff attachment therefor. The protective lens is a thin clear plastic sheet designed to be used as a lens with a (PAPR) respirator and the cuff is an attached fabric or similar material designed to form a facial seal around the wearer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.