In the drawings, the broken lines depict unclaimed portions of the three dimensional filter frame. The dot and dashed lines represent a boundary between the claimed and the non-claimed portions and form no part of the claimed design.
In the drawings, the broken lines depict unclaimed portions of the three dimensional filter frame. The dot and dashed lines represent a boundary between the claimed and the non-claimed portions and form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
3782081 | Munters | Jan 1974 | A |
3793692 | Tate | Feb 1974 | A |
4035172 | Strindehag | Jul 1977 | A |
4304738 | Nutter | Dec 1981 | A |
5891402 | Sassa | Apr 1999 | A |
D523110 | Anderson | Jun 2006 | S |
7149272 | Soderlund | Dec 2006 | B2 |
7465332 | Randinelli | Dec 2008 | B2 |
7582131 | Worthington | Sep 2009 | B2 |
D604105 | Metcalfe | Nov 2009 | S |
D618368 | Jenkins | Jun 2010 | S |
7951229 | Ptak | May 2011 | B2 |
8277530 | Alexander | Oct 2012 | B2 |
8317890 | Raether | Nov 2012 | B2 |
D685898 | Platt | Jul 2013 | S |
8623125 | Kim | Jan 2014 | B2 |
8652241 | Alexander | Feb 2014 | B2 |
D708729 | Platt | Jul 2014 | S |
8992650 | Rahmathullah | Mar 2015 | B2 |
9242200 | Alexander | Jan 2016 | B2 |
D764040 | Cho | Aug 2016 | S |
9410510 | Kinsey, Jr. | Aug 2016 | B2 |
Entry |
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Merv 11 Filterreference [May 31, 2019] found online [May 31, 2019]—https://www.wayfair.com/home-improvement/pdx/airx-filters-merv-11-ac-pleated-replacement-comparable-furnace-air-filter-arft1005.html. |
Washable furnace filter reference [May 31, 2019] found online [May 31, 2019]—http://theboardroomng.co/16x20x1-furnace-filter-washable/. |