Air filter
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The elements shown in broken lines are for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for an air filter, as shown and described.
5238477 | August 24, 1993 | Layton |
D397777 | September 1, 1998 | Mack, Jr. |
D402356 | December 8, 1998 | Hodge |
D425189 | May 16, 2000 | Gillingham et al. |
D449100 | October 9, 2001 | Sundet et al. |
6464745 | October 15, 2002 | Rivera et al. |
D538418 | March 13, 2007 | Pippel et al. |
D548826 | August 14, 2007 | Katta |
20040194441 | October 7, 2004 | Kirsch |
20050284116 | December 29, 2005 | Duffy |
20060037296 | February 23, 2006 | Duffy |
20060053759 | March 16, 2006 | Winters et al. |
20080105126 | May 8, 2008 | Kawano et al. |
Type: Grant
Filed: Apr 19, 2007
Date of Patent: May 26, 2009
Assignee: Nitto Denko Corporation (Osaka)
Inventors: Eizou Kawano (Ibaraki), Youzou Yano (Ibaraki), Takashi Tagou (Ibaraki), Akio Suzuki (Ibaraki)
Primary Examiner: T. Chase Nelson
Assistant Examiner: David G Muller
Attorney: Osha • Liang LLP
Application Number: 29/286,071