Patent · US Expired

Touch-pad for a telephone

USD260889S · kind S · design

11Cited by
4References
1Claims
0Family size

Inventors

Key dates

Filing dateJan 2, 1979
Grant dateSep 22, 1981
Priority date
Expiry dateSep 22, 1988

Classification

  • Technology area (CPC —)General

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