Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD544949 S1
Publication typeGrant
Application numberUS 29/212,999
Publication dateJun 19, 2007
Filing dateSep 10, 2004
Priority dateSep 10, 2004
Publication number212999, 29212999, US D544949 S1, US D544949S1, US-S1-D544949, USD544949 S1, USD544949S1
InventorsPhilip J. Winters, Kevin Hobbs, Michael Corbat, Dean Kerstetter
Original AssigneeFiltration Group Incorporated
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Air filter
US D544949 S1
Abstract  available in
Previous page
Next page
  1. The ornamental design of the air filter, as shown and described.

FIG. 1 is a perspective view of the air filter showing our new design;

FIG. 2 is a view of one side of our design, the opposite side being a mirror image thereof;

FIG. 3 is a view of one end of our design, the other end being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8197571May 29, 2009Jun 12, 2012Aaf-Mcquay Inc.Air filter with improved structural support
US8685129Jun 14, 2011Apr 1, 20143M Innovative Properties CompanyFramed air filter and method of making
US8834751Mar 10, 2010Sep 16, 20143M Innovative Properties CompanySystem and method for sintering dental restorations
US8979966Feb 11, 2014Mar 17, 20153M Innovative Properties CompanyFramed air filter and method of making
US20100300052 *May 29, 2009Dec 2, 2010Porter Dennis RAir Filter with Improved Structural Support
USD732153 *Aug 16, 2013Jun 16, 20153M Innovative Properties CompanyAir filter
USD754315 *Nov 4, 2013Apr 19, 2016Irobot CorporationFilter
USD778419 *Jun 12, 2013Feb 7, 2017Helen Of Troy LimitedFilter assembly
USD796022 *Aug 11, 2016Aug 29, 2017David M. DeChristofaroMagnetic vent filter
U.S. ClassificationD23/365