Patent · US Active

Low up-light cutoff acorn style luminaire

US7946734B2 · kind B2 · utility

31Cited by
117References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 26, 2008
Grant dateMay 24, 2011
Priority date
Expiry dateDec 26, 2028

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21W2131/103
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A low upright cutoff classification acorn style luminaire is described. The acorn style luminaire has a globe which has a top positioned thereon and which is mounted to a pole. Integrated within the luminaire is the lamp support and lamp, the lamp substantially surrounded and enclosed by a reflector. The interior surface of the globe has a plurality of substantially vertically extending prisms along a curved surface thereof, the prisms working in conjunction with the reflector to provide cutoff classification for the acorn style luminaire.

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