Patent · US Expired

Lamp

US5222806A · kind A · utility

29Cited by
6References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 4, 1992
Grant dateJun 29, 1993
Priority date
Expiry dateJun 4, 2012

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21V21/26
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An adjustable desk lamp includes a pair of pivot arms mounted on a stepped base, and a movable support mounted on and along the pivot arms to a rest position in which the support rests on a selected step of the base to support a lamp head and a bulb contained therein at a selected elevation and orientation.

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