Closure element comprising a light source
US8903235B2 · kind B2 · utility
0Cited by
38References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2010 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Jul 26, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The closure element (1) is adapted to be installed in a vessel wall provided with an aperture and has a peripheral flange (2) and a central cover unit (3). The closure element (1) is provided with at least one light source within a predefined zone (35) located in the central cover unit (3) and the light source is confined within the central cover unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.