Air cleaning device

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Description

1.-6. Air cleaning device

1.1: Front

1.2: Bottom

1.3: Back

1.4: Perspective

1.5: Perspective

1.6: Left

2.1: Front

2.2: Bottom

2.3: Back

2.4: Perspective

2.5: Perspective

2.6: Left

3.1: Front

3.2: Back

3.3: Left

3.4: Perspective

3.5: Perspective

3.6: Bottom

4.1: Bottom

4.2: Front

4.3: Perspective

4.4: Left

4.5: Perspective

Claims

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

Referenced Cited
U.S. Patent Documents
D344328 February 15, 1994 Price
D618328 June 22, 2010 Chan
D745129 December 8, 2015 Nakagawa
D864369 October 22, 2019 Gallet
10852028 December 1, 2020 Hirsch
20170209825 July 27, 2017 Huang
20190201827 July 4, 2019 Haubold
20210129067 May 6, 2021 Knight
20210354069 November 18, 2021 Louison
Patent History
Patent number: D979730
Type: Grant
Filed: Sep 24, 2020
Date of Patent: Feb 28, 2023
Assignee: ZEHNDER GROUP INTERNATIONAL AG (Gränichen)
Inventors: Janne Paiho (Motala), Magnus Bladh (Stockholm)
Primary Examiner: Michael A. Pratt
Application Number: 35/510,630
Classifications
Current U.S. Class: Air Cleaner (D23/364)