Air filter

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of the air filter;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a third perspective view thereof;

FIG. 4 is a fourth perspective view thereof;

FIG. 5 is a fifth perspective view thereof; and,

FIG. 6 is a sixth perspective view thereof.

Claims

We claim the ornamental design for an air filter, as shown and described.

Referenced Cited
U.S. Patent Documents
D401597 November 24, 1998 Shelton et al.
D401684 November 24, 1998 Shelton et al.
D401942 December 1, 1998 Shelton et al.
D417675 December 14, 1999 Yaguchi et al.
D438214 February 27, 2001 Gieseke et al.
D450826 November 20, 2001 Song
D466520 December 3, 2002 Brent et al.
6645266 November 11, 2003 Huang
6942708 September 13, 2005 Peter et al.
7108139 September 19, 2006 Nguyen
D530807 October 24, 2006 Miyagishima et al.
7247237 July 24, 2007 Mori et al.
7481862 January 27, 2009 Attassery
Patent History
Patent number: D652496
Type: Grant
Filed: Apr 11, 2008
Date of Patent: Jan 17, 2012
Inventor: Roy Greenlees (Lake Forest, IL)
Primary Examiner: David Muller
Attorney: Orum & Roth LLC
Application Number: 29/307,296
Classifications
Current U.S. Class: Filter (D23/365)