Air filter
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Description
The features shown in broken lines depict environmental structure only and form no part of the claimed design.
Claims
The ornamental design for an air filter, as shown and described.
Referenced Cited
U.S. Patent Documents
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D260422 | August 25, 1981 | Husted |
D288230 | February 10, 1987 | Thatcher |
D376640 | December 17, 1996 | Kloster |
5775988 | July 7, 1998 | Eakin |
6136077 | October 24, 2000 | Walker |
D455826 | April 16, 2002 | Gillingham et al. |
6796100 | September 28, 2004 | Venezia |
D528646 | September 19, 2006 | Stout, Jr. |
D537931 | March 6, 2007 | Kashimura |
D538917 | March 20, 2007 | Kashimura |
7338544 | March 4, 2008 | Sporre et al. |
D571450 | June 17, 2008 | Brown |
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Patent History
Patent number: D641462
Type: Grant
Filed: Oct 1, 2010
Date of Patent: Jul 12, 2011
Assignee: AAF-McQuay Inc. (Louisville, KY)
Inventor: Mohammad Usman Rafi (Newcastle upon Tyne)
Primary Examiner: David Muller
Attorney: Middleton Reutlinger
Application Number: 29/376,146
Type: Grant
Filed: Oct 1, 2010
Date of Patent: Jul 12, 2011
Assignee: AAF-McQuay Inc. (Louisville, KY)
Inventor: Mohammad Usman Rafi (Newcastle upon Tyne)
Primary Examiner: David Muller
Attorney: Middleton Reutlinger
Application Number: 29/376,146
Classifications
Current U.S. Class:
Filter (D23/365)