Patent · US Expired

Photopolymer image inlays

US3975561A · kind A · utility

4Cited by
6References
10Claims
0Family size

Inventors

Key dates

Filing dateNov 21, 1974
Grant dateAug 17, 1976
Priority date—
Expiry dateNov 21, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31794
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

Photopolymeric image inlay articles comprising a photopolymeric image inlaid into a resilient polyester resin coated matrix of a solidified synthetic rock-like mixture.

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