Marker light
US4343033A · kind A · utility
30Cited by
8References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 22, 1980 |
| Grant date | Aug 3, 1982 |
| Priority date | — |
| Expiry date | Feb 22, 2000 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2111/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A light source, reflector and lens are fixed on a base member in the state that their relative position is adjusted to constitute an optical unit. The optical unit is provided within an optical system box having a sealed construction and having a light transmitting window through which a light emitted from the light source is outwardly projected, thereby forming a marker light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.