Patent · US Expired

Four sided collapsible floor sign

US5621992A · kind A · utility

20Cited by
16References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 13, 1995
Grant dateApr 22, 1997
Priority date
Expiry dateApr 13, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09F15/0062
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A self standing floor sign (10) comprising two end panels (12 and 14), and two side panels (16), the two side panels (16) pivotably secured between the end panels (12 and 14), and the side panels (16) having a hinge oriented within an approximate center of the side panels (16) to allow the side panels (16) to collapse in a generally inwardly direction.

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