Par spot lamp
US4506316A · kind A · utility
17Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1983 |
| Grant date | Mar 19, 1985 |
| Priority date | — |
| Expiry date | Aug 18, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V7/09
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A spot lamp having a lens in the form of a curved member having an inner surface with a series of radially disposed flutes formed therein defining a fluted portion which surrounds a centrally disposed stippled portion. The flutes each extend linearly from a position adjacent the stippled portion outwardly to a position adjacent the outer edge of the curved member. The surfaces of the flutes are also stippled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.