Compact fluorescent lamp
US4527089A · kind A · utility
9Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1983 |
| Grant date | Jul 2, 1985 |
| Priority date | — |
| Expiry date | Apr 1, 2003 |
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 comprises multiple, individual tubes mechanically formed into an assembly and inserted into an outer envelope. Only the outer envelope is hermetically sealed and includes an atmosphere of mercury and argon. Novel arc directing means connect the tubes to form a continuous arc path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.