Spectrally balanced protective facemasks
US7814577B2 · kind B2 · utility
5Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2005 |
| Grant date | Oct 19, 2010 |
| Priority date | — |
| Expiry date | Nov 21, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B71/10
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Protective face masks and shields are configured so that interior surfaces are associated with visual characteristics based on a use environment. A face shield for a catcher's helmet includes an interior surface having three horizontal zones that are assigned colors, gray levels, color coordinates, or other characteristics based on playing surface characteristics. Upper, middle, and lower interior portions can be associated with blue, green, and brown, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.