Patent · US Expired

Video entry-phone control board

USD534885S1 · kind S1 · design

28Cited by
10References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 29, 2005
Grant dateJan 9, 2007
Priority date
Expiry dateJan 9, 2021

Classification

  • Technology area (CPC —)General

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