Patent · US Expired

Upper closure of a portable telephone and method of producing the upper closure of the portable telephone

US6504928B1 · kind B1 · utility

18Cited by
0References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 24, 1999
Grant dateJan 7, 2003
Priority date
Expiry dateMar 24, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29L2031/3437
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A cellular phone top cover includes a foil-decorating film (1) including an uppermost layer comprised of a transparent base film (3) and, laminated thereon, a symbol layer (6) for displaying characters or symbols and a colored layer (7) defining a transparent display window (21) of a cellular phone display, and a transparent adhesive layer (15) laminated thereon. The foil-decorating film is bonded via the adhesive layer (15) to a transparent resin molded article (17) of a cellular phone top cover shape having a voice output through-hole (22) and push button through-holes (23), and the foil-decorating film (1) on at least the voice output through-hole (22) has been removed.

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