Anti-skid stair covering with illuminating areas therein
US5898814A · kind A · utility
Inventor
Key dates
| Filing date | Sep 22, 1997 |
| Grant date | Apr 27, 1999 |
| Priority date | — |
| Expiry date | Sep 22, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F2011/1048
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In order to ascend and descend the stairs safely even in the nighttime, the invention presents a stairs antiskid member capable of reducing the thickness of the entire antiskid member, enhancing the visual recognition of stairs by light, and assuring sufficient safety when ascending and descending stairs, by accommodating and holding an illuminating plane in a stair antiskid member having an illuminating function, forming a permeable light transmitting portion at least in the front edge of front, rear and side edges, except the middle portion of the member upper surface, and forming a reflecting portion for radiating the light from the illuminating plane through the light transmitting portion at the luminous side of the illuminating plane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.