Air filter
Description
Claims
We claim the ornamental design for an air filter, as shown and described.
Referenced Cited
U.S. Patent Documents
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D401684 | November 24, 1998 | Shelton et al. |
D401942 | December 1, 1998 | Shelton et al. |
D417675 | December 14, 1999 | Yaguchi et al. |
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D450826 | November 20, 2001 | Song |
D466520 | December 3, 2002 | Brent et al. |
6645266 | November 11, 2003 | Huang |
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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
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)