Tubular skylight with improved dome
USRE38217E1 · kind E1 · reissue
20Cited by
44References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 1999 |
| Grant date | Aug 19, 2003 |
| Priority date | — |
| Expiry date | Aug 10, 2019 |
Classification
- Technology area (CPC —)General
Abstract
A tubular skylight having an improved dome improving the efficiency of the skylight. The dome includes an integral prism in a portion of its outer surface to reflect light downwardly through the skylight. The dome is hemispherical, and the prism includes a plurality of grooves extending along great circles that pass through the apex of the dome. The prism covers only an angular segment of the hemispherical dome; and the grooves stop short of the apex of the dome.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.