Patent · US Expired

Lamp with guard

US4998192A · kind A · utility

4Cited by
3References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 9, 1990
Grant dateMar 5, 1991
Priority date
Expiry dateMay 9, 2010

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21V15/02
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A lamp includes a support for a socket and a generally parabolic diffuser surrounding the socket and extending upwardly therefrom. An arm extends upwardly from the support for supporting a generally frusto-conical shade at its upper end. A screen covers the upper opening in the shade, and a wire cage guard extends downwardly from the screen to the upper end of the diffuser.

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