Light tube
US6511204B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1999 |
| Grant date | Jan 28, 2003 |
| Priority date | — |
| Expiry date | Dec 16, 2019 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21V17/04
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light tube for use over a light element, wherein the light tube comprises an elongated, generally tubular body having a first end, a second end, a length between the first and second ends, and a longitudinal axis extending from the first end to the second end, a longitudinal slot extending generally parallel to the longitudinal axis from the first end to the second end of the body, the slot having a first side and a second side, and at least a first notch adjacent the longitudinal slot, wherein the first notch extends from the first end of the body toward the second end of the body on one of the sides of the longitudinal slot. The light tube may further comprise a second notch adjacent the longitudinal slot, wherein the second notch extends from the first end of the body toward the second end of the body on the other side of the longitudinal slot.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.