Patent · US Expired

Electronic telephone unit

USD264079S · kind S · design

11Cited by
6References
1Claims
0Family size

Inventor

Key dates

Filing dateOct 26, 1979
Grant dateApr 27, 1982
Priority date
Expiry dateApr 27, 1985

Classification

  • Technology area (CPC —)General

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