Patent · US Expired

Light fixture

US4000406A · kind A · utility

39Cited by
11References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 29, 1974
Grant dateDec 28, 1976
Priority date
Expiry dateNov 29, 1994

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21V23/02
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

There is disclosed a light fixture having a ballast therein comprising a substantially enclosed steel case which is mounted on a wall of the steel housing of the fixture and substantially filled with a potting compound in which a magnetic core and coil device is embedded.

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