Patent · US Expired

Display device for coupon clip

US4292749A · kind A · utility

45Cited by
7References
13Claims
0Family size

Inventor

Key dates

Filing dateMay 19, 1980
Grant dateOct 6, 1981
Priority date
Expiry dateMay 19, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T24/3413
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A display device for a coupon clip is disclosed which is particularly suited for attachment to a grocery shopping cart.

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