Three dimensional filter frame
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Description
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.
Claims
The ornamental design for a three dimensional filter frame, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
3782081 | January 1974 | Munters |
3793692 | February 1974 | Tate |
4035172 | July 12, 1977 | Strindehag |
4304738 | December 8, 1981 | Nutter |
5891402 | April 6, 1999 | Sassa |
D523110 | June 13, 2006 | Anderson |
7149272 | December 12, 2006 | Soderlund |
7465332 | December 16, 2008 | Randinelli |
7582131 | September 1, 2009 | Worthington |
D604105 | November 17, 2009 | Metcalfe |
D618368 | June 22, 2010 | Jenkins |
7951229 | May 31, 2011 | Ptak |
8277530 | October 2, 2012 | Alexander |
8317890 | November 27, 2012 | Raether |
D685898 | July 9, 2013 | Platt |
8623125 | January 7, 2014 | Kim |
8652241 | February 18, 2014 | Alexander |
D708729 | July 8, 2014 | Platt |
8992650 | March 31, 2015 | Rahmathullah |
9242200 | January 26, 2016 | Alexander |
D764040 | August 16, 2016 | Cho |
9410510 | August 9, 2016 | Kinsey, Jr. |
- 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/.
Patent History
Patent number: D896943
Type: Grant
Filed: Dec 18, 2017
Date of Patent: Sep 22, 2020
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (Saint Paul, MN)
Inventors: Scott A. Clear (Escondido, CA), Michael S. Schuffert (Chatsworth, CA)
Primary Examiner: Lakiya G Rogers
Assistant Examiner: John A Voytek
Application Number: 29/629,926
Type: Grant
Filed: Dec 18, 2017
Date of Patent: Sep 22, 2020
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (Saint Paul, MN)
Inventors: Scott A. Clear (Escondido, CA), Michael S. Schuffert (Chatsworth, CA)
Primary Examiner: Lakiya G Rogers
Assistant Examiner: John A Voytek
Application Number: 29/629,926
Classifications
Current U.S. Class:
Filter (D23/365)