Air filter

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application with color drawings will be provided by the United States Patent and Trademark Office upon request and payment of the necessary fee.

FIG. 1 is a perspective view showing a new design for an air filter;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left-side elevational view thereof; the right side being a mirror image;

FIG. 5 is a front-side elevational view thereof; the rear side being a mirror image;

FIG. 6 is an enlarged view as designated in FIG. 1; and,

FIG. 7 is an enlarged view as designated in FIG. 2.

The even length dash lines depict portions of the air filter that form no part of the claimed design. The long-short dash lines illustrate the bounds of the magnified portion and form no part of the claimed design.

Claims

The ornamental design for an air filter, as shown and described.

Referenced Cited
U.S. Patent Documents
2071806 February 1937 Walker
5810898 September 22, 1998 Miller
D425189 May 16, 2000 Gillingham
D483103 December 2, 2003 Dalzell
D544949 June 19, 2007 Winters et al.
D549314 August 21, 2007 Wennerstrom
D593189 May 26, 2009 Kawano
D605275 December 1, 2009 Kawano
D652497 January 17, 2012 Troxell
D655803 March 13, 2012 Platt
D655804 March 13, 2012 Platt
D657858 April 17, 2012 Platt
D679792 April 9, 2013 Hollingsworth
D690407 September 24, 2013 Williams
D705411 May 20, 2014 Enstrom
D713023 September 9, 2014 Chen
D717420 November 11, 2014 Von Seggern
D725390 March 31, 2015 Sanocki
D732153 June 16, 2015 Sanocki
9174159 November 3, 2015 Sanocki
D747576 January 12, 2016 Fjellman
D754315 April 19, 2016 Morin
D875909 February 18, 2020 Gregerson
D898177 October 6, 2020 Guo
10921020 February 16, 2021 Gregerson
D923165 June 22, 2021 Guo
11192059 December 7, 2021 Fox
11253807 February 22, 2022 Gregerson
11305224 April 19, 2022 Fox
D972698 December 13, 2022 Gregerson
D976593 January 31, 2023 Chilewich
20050284116 December 29, 2005 Duffy
20150047507 February 19, 2015 Fox
20150047508 February 19, 2015 Sanocki
20170216756 August 3, 2017 Fox
20180021716 January 25, 2018 Li
20180361295 December 20, 2018 Legare
20190046910 February 14, 2019 Gregerson
20190217239 July 18, 2019 Gregerson
20190242616 August 8, 2019 Gregerson
20200129907 April 30, 2020 Fox
Other references
  • Trademark Application Serial No. 86-935,298, filed Mar. 10, 2016.
  • Trademark Application Serial No. 86-912,631, filed Feb. 18, 2016.
Patent History
Patent number: D998126
Type: Grant
Filed: Jan 29, 2020
Date of Patent: Sep 5, 2023
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Glen O. Gregerson (Hudson, WI), Jonathan M. Lise (Woodbury, MN)
Primary Examiner: Mehri F Bajoul
Application Number: 29/722,405
Classifications
Current U.S. Class: Rectangular Perimeter (D21/365)