Patent · US Expired

Folding portable telephone apparatus

US6721420B1 · kind B1 · utility

6Cited by
1References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 1, 2000
Grant dateApr 13, 2004
Priority date
Expiry dateDec 3, 2021

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M1/57
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

The invention supports an antenna (9) retractably from bottom to top via an antenna receiver section (8) on the side of the second case body (2) so that it is possible to fold/unfold the first case body (1) irrespective of the direction of the antenna (9) and whether the antenna (9) is stretched or housed.

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