Patent · US Expired

Portable intercom with a TV monitor

USD578993S1 · kind S1 · design

26Cited by
25References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 2007
Grant dateOct 21, 2008
Priority date
Expiry dateOct 21, 2022

Classification

  • Technology area (CPC —)General

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