Patent · US Active

Collapsible lighting device

US7857490B1 · kind B1 · utility

39Cited by
44References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 15, 2009
Grant dateDec 28, 2010
Priority date
Expiry dateApr 15, 2029

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21V3/026
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The present invention includes a collapsible lighting device comprising: (a) a container having a base portion and optional lid portion, that is adapted to be reversibly moved from a closed position to an open position; (b) at least one light source disposed in the container; and (c) a collapsible envelope of a diffuser material disposed in the container, and adapted to be reversibly moved from a contained position defining a contained volume within the container when the container is in the closed position, to a deployed position when the container is in the open position.

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