Patent · US Expired

Air purifier

USD550826S1 · kind S1 · design

27Cited by
13References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 7, 2006
Grant dateSep 11, 2007
Priority date
Expiry dateSep 11, 2021

Classification

  • Technology area (CPC —)General

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