Compact fluorescent lamp
US4417176A · kind A · utility
5Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1981 |
| Grant date | Nov 22, 1983 |
| Priority date | — |
| Expiry date | Jul 22, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A compact fluorescent lamp having a chassis member, a screw base screwed to the chassis member, a base member secured to the chassis member, a winding envelope having bent part and both ends oriented to the same direction, a ballast surrounded by the winding envelope and a globe member attached to the base member. The ballast is disposed between the bent part and the ends of the winding envelope so as to provide the winding envelope with a desirable coolest wall temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.