Patent · US Expired

Air purifier

USD591412S1 · kind S1 · design

9Cited by
13References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 2, 2008
Grant dateApr 28, 2009
Priority date
Expiry dateApr 28, 2023

Classification

  • Technology area (CPC —)General

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