Patent · US Expired

Air filter

USD605274S1 · kind S1 · design

31Cited by
8References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 20, 2009
Grant dateDec 1, 2009
Priority date
Expiry dateDec 1, 2023

Classification

  • Technology area (CPC —)General

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