Safety eyewear
US8152297B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 2, 2010 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Sep 1, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/20
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates generally to safety eyewear and more particularly to a safety eyewear that includes a coloration or tinting of an outer peripheral edge of the lens for indicating a performance characteristic of the safety eyewear or the lens and selected absorption of visible wavelengths of light. In one embodiment, the eyewear includes a VLT rated lens having a light visible tint or slight mist tint to provide ornamental coloration of the outer peripheral lens edge. The lens has a roughened or textured cut along an outer peripheral edge of the lens to diffract light. The outer peripheral lens edge is color coded according to a performance characteristic of the lens or the eyewear. In operation, the ornamental color of the outer peripheral edge of the lens is activated upon the diffraction of light along the roughed or texture outer peripheral edge of the lens while still meeting industry VLT requirements for a substantially clear lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.