Emergency lighting unit/exit sign combination
US6848798B1 · kind B1 · utility
15Cited by
5References
41Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2002 |
| Grant date | Feb 1, 2005 |
| Priority date | — |
| Expiry date | Nov 19, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/812
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An emergency lighting fixture combining the functions of an illuminated sign such as an exit sign and an emergency lighting unit integrated into one housing onto which one or more emergency lights can be mounted at predetermined locations of the housing, the combined emergency lighting structure providing both exit location information and ambient emergency lighting in a single cooperatively operating device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.