Patent · US Expired

Energy saving fluorescent lamp

US4163176A · kind A · utility

18Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 7, 1977
Grant dateJul 31, 1979
Priority date
Expiry dateOct 7, 1997

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J61/56
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A fluorescent lamp has an extension base at one end thereof which contains an impedance to reduce current flow through the lamp. The length of the lamp plus extension base equals the length of a standard fluorescent lamp.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.