Patent · US Expired

Door bell

USD616321S1 · kind S1 · design

19Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 5, 2007
Grant dateMay 25, 2010
Priority date
Expiry dateMay 25, 2024

Classification

  • Technology area (CPC —)General

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