Patent · US Expired

Architectural signs with raised graphics

US5246757A · kind A · utility

29Cited by

5References

14Claims

0Family size

Assignee

Minnesota Mining and Manufacturing Company · US

Inventors

Robert R. Condon · Woodbury, US
Daniel Pohl · Aken, DE
Frank T. Sher · Windom, US

Key dates

Filing date	Apr 28, 1992
Grant date	Sep 21, 1993
Priority date	—
Expiry date	Apr 28, 2012

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31692
WIPO fieldControl
WIPO sectorInstruments

Abstract

A raised graphic sign comprising (a) a substrate; (b) a base layer adhesively fastened to an upper surface of the substrate; (c) one or more alphanumeric characters, optionally adhesively fastened to the base layer; and (d) an overlay film conformably and adhesively fastened to the upper surface of the base layer and covering the alphanumeric characters is provided, as well as a method to make the raised graphic sign.

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