Filter unit

- Whirlpool Corporation
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Description

FIG. 1 is a perspective view of a filter unit according to the design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a back elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The portions of the article shown in broken line form no part of the claimed design.

Claims

The ornamental design for a filter unit as shown and described.

Referenced Cited
U.S. Patent Documents
4935135 June 19, 1990 Nakashima et al.
5019251 May 28, 1991 Sundolm
5826854 October 27, 1998 Janvrin et al.
6024869 February 15, 2000 Stifelman
6355177 March 12, 2002 Senner et al.
6423222 July 23, 2002 Shively et al.
6555000 April 29, 2003 Knight
6685829 February 3, 2004 Baumann et al.
7000894 February 21, 2006 Olson et al.
7067054 June 27, 2006 Fritze
7147773 December 12, 2006 Mitchell et al.
7186338 March 6, 2007 Boisvert
7360658 April 22, 2008 Clausen et al.
7442301 October 28, 2008 Huda
7610932 November 3, 2009 Olson et al.
7763170 July 27, 2010 Bassett et al.
8097156 January 17, 2012 Tubby et al.
8097157 January 17, 2012 Tubby et al.
8097158 January 17, 2012 Tubby et al.
8137551 March 20, 2012 Huda et al.
8202419 June 19, 2012 Wallerstorfer et al.
8354024 January 15, 2013 Ihle et al.
8366930 February 5, 2013 Huda et al.
8627675 January 14, 2014 Kruckenberg et al.
8673146 March 18, 2014 Huda et al.
8709246 April 29, 2014 Branscomb
D712008 August 26, 2014 Swain
8911623 December 16, 2014 Tubby et al.
9044699 June 2, 2015 Gale et al.
9061225 June 23, 2015 Sherman et al.
9067154 June 30, 2015 Branscomb et al.
9233322 January 12, 2016 Huda et al.
9320993 April 26, 2016 Patera et al.
9345995 May 24, 2016 Tubby et al.
9452375 September 27, 2016 Mitchell
9527021 December 27, 2016 Gatica et al.
D785750 May 2, 2017 Huda
9687762 June 27, 2017 Tubby et al.
D795390 August 22, 2017 Huda et al.
9737834 August 22, 2017 Baird
9789424 October 17, 2017 Reckin et al.
9845259 December 19, 2017 Williams et al.
9885445 February 6, 2018 Joung et al.
9901852 February 27, 2018 Huda et al.
9931589 April 3, 2018 Tubby et al.
9987572 June 5, 2018 Mitchell et al.
9993757 June 12, 2018 Joung et al.
10010817 July 3, 2018 Honermann et al.
10010820 July 3, 2018 Kruckenberg et al.
10040703 August 7, 2018 Huda et al.
10071326 September 11, 2018 Schmoll
10179303 January 15, 2019 Honermann et al.
10357728 July 23, 2019 Ardes
10500530 December 10, 2019 Park et al.
10525387 January 7, 2020 Campbell
10532296 January 14, 2020 Keenan
D875209 February 11, 2020 Zou
10590006 March 17, 2020 Baird et al.
10639570 May 5, 2020 You et al.
10682593 June 16, 2020 Baird
10702814 July 7, 2020 Honermann et al.
D932589 October 5, 2021 Du
D939044 December 21, 2021 Liqin
D946699 March 22, 2022 McCollough
D947318 March 29, 2022 Du
D948660 April 12, 2022 McCollough
D958933 July 26, 2022 Du
D1027117 May 14, 2024 Hanson
20070012611 January 18, 2007 An
20070199879 August 30, 2007 Bors et al.
20070227959 October 4, 2007 Sinur et al.
20080185330 August 7, 2008 Sinur et al.
20120031515 February 9, 2012 Whitaker
20140238919 August 28, 2014 Shaffer
20150258476 September 17, 2015 Boyce
20160304359 October 20, 2016 Cur
20170056794 March 2, 2017 Chernov et al.
20170259195 September 14, 2017 Mitchell
20170304752 October 26, 2017 Nelson
20170361252 December 21, 2017 Vogt et al.
20180001241 January 4, 2018 Zhibin
20180008916 January 11, 2018 Krause et al.
20190038813 February 7, 2019 Prosl
20200256478 August 13, 2020 Schmitt et al.
20240238707 July 18, 2024 Zou
Foreign Patent Documents
195766 May 2023 CA
109126264 January 2019 CN
2188399 June 1990 GB
2257052 January 1993 GB
H11138151 May 1999 JP
300473945.0000 December 2007 KR
2004096409 November 2004 WO
20070620915 June 2007 WO
2010033470 March 2010 WO
2013138287 September 2013 WO
2020084424 April 2020 WO
Other references
  • “NPL.Aquafresh” May 3, 2019, Amazon.com, site visited Jul. 25, 2024: https://www.amazon.com/Aqua-Fresh-Refrigerator-Replacement-PureSource/dp/B07RF9N35D/ref=sr (Year: 2019).
  • “NPL.Frigidaire” Aug. 30, 2010, Amazon.com, site visited Jul. 25, 2024: https://www.amazon.com/Frigidaire-WF3CB-Puresource-Replacement-Filter/dp/B0045LLC7K?th=1 (Year: 2010).
  • “NPL.Smith” Mar. 19, 2019, Amazon.com, site visited Jul. 24, 2024: https://www.amazon.com/dp/B07PW145QJ/ref=sspa_dk_detail_0?psc=1&pf (Year: 2019).
Patent History
Patent number: D1059542
Type: Grant
Filed: Apr 28, 2023
Date of Patent: Jan 28, 2025
Assignee: Whirlpool Corporation (Benton Harbor, MI)
Inventors: David P. Cooper (Dowagiac, MI), Mark C. Graff (Michigan City, IN), James C. L. Guarino (Kalamazoo, MI), Chad Rotter (Saugatuck, MI), Daniel Louis Sigmund (Golden, CO), Steven J. Kuehl (Sylva, NC), Joseph R. Peters (St. Joseph, MI), Justin Glasgow (Sulphur Springs, TX)
Primary Examiner: Richard Kearney
Assistant Examiner: Matthew Bird
Application Number: 29/890,942
Classifications
Current U.S. Class: Filter Or Strainer (2) (D23/209)