Patent · US Expired

Telephone instrument

USD259419S · kind S · design

26Cited by
6References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 5, 1978
Grant dateJun 2, 1981
Priority date
Expiry dateJun 2, 1995

Classification

  • Technology area (CPC —)General

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