Patent · US Expired

Lamp

US5291380A · kind A · utility

0Cited by
13References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 14, 1992
Grant dateMar 1, 1994
Priority date
Expiry dateAug 14, 2012

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21W2121/00
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention concerns a lamp having a reflector, a glass lid and a filament which is supported by supply wires. The supply wires pass from the interior of the lamp to the outside through the connecting area between the reflector and the glass lid. The reflector is thus almost 100 percent effective because there is no space required for a material collection marking a passage of supply wires or a socket for receiving a bulb. The light performance of the lamp is thus an optimum.

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