Patent · US Expired

Flashlight

US5331528A · kind A · utility

8Cited by
5References
4Claims
0Family size

Inventor

Key dates

Filing dateApr 2, 1993
Grant dateJul 19, 1994
Priority date
Expiry dateApr 2, 2013

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF21L2/00
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A flashlight comprising a metal lamp base and a plastic lamp base threably combined with a front end of a tubular elongate body for mounting a lamp of different style, a switch base havint a push button to protrude up through a hole in the body to be deposited in the body and two conductors on both sides of the push button to turn on or off electricity coming from batteries deposited in the body behind the switch base.

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