Patent · US Expired

Air filter with a protruding inner filtering portion

USD533265S1 · kind S1 · design

14Cited by
9References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 30, 2004
Grant dateDec 5, 2006
Priority date
Expiry dateDec 5, 2020

Classification

  • Technology area (CPC —)General

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