Device for emergency lighting
US3940604A · kind A · utility
8Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 1973 |
| Grant date | Feb 24, 1976 |
| Priority date | — |
| Expiry date | Dec 12, 1993 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21K2/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An automatic device for providing chemiluminescent light from a chemical reaction of suitable compounds in the presence of a fluorescent compound, said device being an emergency source of illumination upon failure of public utility service.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.