Patent · US Expired

Function extended unit for a telephone

USD388102S · kind S · design

10Cited by
13References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 15, 1996
Grant dateDec 23, 1997
Priority date
Expiry dateDec 23, 2011

Classification

  • Technology area (CPC —)General

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