Air filter
The broken lines shown in the drawings are for the purpose of illustrating portions of the article that form no part of the claimed design.
Claims
We claim the ornamental design for an air filter, as shown and described.
7491254 | February 17, 2009 | Krisko et al. |
7645310 | January 12, 2010 | Krisko et al. |
7993422 | August 9, 2011 | Krisko et al. |
8012227 | September 6, 2011 | Greif |
8157880 | April 17, 2012 | Muenkel |
8167965 | May 1, 2012 | Greif |
8216334 | July 10, 2012 | Nelson et al. |
8394160 | March 12, 2013 | Muenkel |
8652228 | February 18, 2014 | Krisko et al. |
8657900 | February 25, 2014 | Menssen |
8657903 | February 25, 2014 | Menssen |
D705412 | May 20, 2014 | Dworatzek et al. |
8784522 | July 22, 2014 | Menssen et al. |
8790431 | July 29, 2014 | Muenkel et al. |
20070289265 | December 20, 2007 | Coulonvaux et al. |
20100162673 | July 1, 2010 | Grosche et al. |
20100186353 | July 29, 2010 | Ackermann et al. |
20120198802 | August 9, 2012 | Menssen |
20130031878 | February 7, 2013 | Menssen |
20140033666 | February 6, 2014 | Menssen et al. |
Type: Grant
Filed: Aug 8, 2012
Date of Patent: Feb 16, 2016
Inventors: Joerg Menssen (Ludwigsburg), Oliver Steins (Ludwigsburg), Kai Hilarius (Ludwigsburg), Stefan Becker (Mannheim)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Ania Aman
Application Number: 29/429,281