Patent · US Expired

Housing for telephone switchboard

USD355419S · kind S · design

3Cited by
9References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 22, 1992
Grant dateFeb 14, 1995
Priority date
Expiry dateFeb 14, 2009

Classification

  • Technology area (CPC —)General

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