Patent · US Expired

Laminar sheet construction

US5529835A · kind A · utility

3Cited by
5References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 22, 1993
Grant dateJun 25, 1996
Priority date
Expiry dateJul 22, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/456
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Graphic laminar sheet material in which a barrier layer separates a base layer and an eradicable layer of color contrasting with the base layer.

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