Patent · US Expired

Portable telephone device

USD442569S · kind S · design

57Cited by
26References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 26, 2000
Grant dateMay 22, 2001
Priority date
Expiry dateMay 22, 2015

Classification

  • Technology area (CPC —)General

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