Patent · US Expired

Key top plate

US7101603B2 · kind B2 · utility

19Cited by
5References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 4, 2005
Grant dateSep 5, 2006
Priority date
Expiry dateMar 4, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24802
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A first film plate 20 and a second film plate 40, each made of flexible resin film, are attached to a top surface and a bottom surface of a key top 30 made of mold-resin, respectively, so as to cover the key top 30. The first film plate 20 is pressed upward to form a recessed portion 23, the key top 30 is molded within this recessed portion 23. The second film plate 40 is arranged on the bottom surface of the key top 30. All of the first film plate 20, the key top 30, and the second film plate 40 are transparent. Decorative layers 21 and 41 are formed on the first film plate 20 and the second film plate 40, respectively.

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