Patent · US Expired

Sign suspension device

US4089129A · kind A · utility

28Cited by
5References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 15, 1976
Grant dateMay 16, 1978
Priority date
Expiry dateOct 15, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09F7/22
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A sign suspension device for use with a placard type sign having a base portion for engagement to a rigid support; there being a plurality of hinge rod components integrally formed with said base portion for receiving bearing collars. A strap-like hinge is engaged upon said collars and secured to a sheet member constituting the sign.

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