Air filter

- K&N Engineering, Inc.
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Description

FIG. 1 is a top, front, left side perspective view of an exemplary embodiment of the present invention;

FIG. 2 is a bottom, rear, left side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Claims

The ornamental design for air filter, as shown and described.

Referenced Cited
U.S. Patent Documents
D398368 September 15, 1998 Schroer
D401684 November 24, 1998 Shelton et al.
D403418 December 29, 1998 Brinkman et al.
D419215 January 18, 2000 Kim
D470216 February 11, 2003 Gustafson et al.
D474836 May 20, 2003 Chang
D533265 December 5, 2006 Fiello et al.
D541399 April 24, 2007 Khalil
D638034 May 17, 2011 Jiang et al.
D652496 January 17, 2012 Greenlees
D652497 January 17, 2012 Troxell et al.
D667099 September 11, 2012 Williams et al.
D677370 March 5, 2013 Handley et al.
Patent History
Patent number: D690408
Type: Grant
Filed: Dec 20, 2012
Date of Patent: Sep 24, 2013
Assignee: K&N Engineering, Inc. (Riverside, CA)
Inventors: Steve Williams (Beaumont, CA), Jere James Wall (Helendale, CA)
Primary Examiner: David Muller
Application Number: 29/440,278
Classifications
Current U.S. Class: Filter (D23/365)