Patent · US Expired

Air filter

USD544949S1 · kind S1 · design

37Cited by
45References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 2004
Grant dateJun 19, 2007
Priority date
Expiry dateJun 19, 2021

Classification

  • Technology area (CPC —)General

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