Patent · US Expired

Stand air purifier

USD550343S1 · kind S1 · design

61Cited by
12References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 5, 2007
Grant dateSep 4, 2007
Priority date
Expiry dateSep 4, 2021

Classification

  • Technology area (CPC —)General

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