Patent · US Expired

Telecommunications control unit

USD417672S · kind S · design

19Cited by
4References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 1998
Grant dateDec 14, 1999
Priority date
Expiry dateDec 14, 2013

Classification

  • Technology area (CPC —)General

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