Air filter

- K&N Engineering, Inc.
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Description

FIG. 1 is a top, front, right 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, the rear elevation view being mirror image;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevation view thereof, the right side elevation view being mirror image; and,

FIG. 6 is bottom plan view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
5051294 September 24, 1991 Lunkas et al.
D326706 June 2, 1992 Karlsson
D366516 January 23, 1996 Stewart
D402735 December 15, 1998 Kott
D418592 January 4, 2000 DePietro et al.
D483459 December 9, 2003 DeWit et al.
D484584 December 30, 2003 Anderson et al.
D497202 October 12, 2004 Carter et al.
7452395 November 18, 2008 Fiello et al.
7993422 August 9, 2011 Krisko et al.
D647188 October 18, 2011 Bergami
8177877 May 15, 2012 Merritt et al.
8192623 June 5, 2012 Reid et al.
Patent History
Patent number: D690407
Type: Grant
Filed: Dec 10, 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: 29/439,338
Classifications
Current U.S. Class: Filter (D23/365)