Tier light including deflecting and refracting prisms
US4969074A · kind A · utility
30Cited by
21References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1989 |
| Grant date | Nov 6, 1990 |
| Priority date | — |
| Expiry date | Jan 30, 2009 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V13/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A tier light comprising a lamp, a substantially clear lamp housing having an upper end and a lower end, a plurality of baffles on the housing and spaced apart along the housing to prevent generally horizontal emissions of light through the housing, and a reflector system. The reflector system comprises refracting means on the housing lower end for refracting light passing through the housing generally dominantly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.