Patent
   D979730
Priority
Sep 24 2020
Filed
Sep 24 2020
Issued
Feb 28 2023
Expiry
Feb 28 2038
Assg.orig
Entity
unknown
1
9
n/a
The ornamental design for an air cleaning device, as shown and described.

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

Paiho, Janne, Bladh, Magnus

Patent Priority Assignee Title
D984927, May 20 2021 Dr. Ing. h.c. F. Porsche Aktiengesellschaft Motor vehicle body, toy vehicle body replica and/or other replica
Patent Priority Assignee Title
10852028, Jan 26 2015 Zehnder Group International AG Heat exchanger block and heat recovery ventilation unit comprising it
20170209825,
20190201827,
20210129067,
20210354069,
D344328, Aug 12 1991 POLUTION SOLUTIONS, INC Air filter cartridge
D618328, Jan 20 2010 C C & L COMPANY LIMITED Air cleaner
D745129, Aug 08 2013 Amano Corporation Industrial air cleaner
D864369, May 29 2017 Camfil AB Air filter
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 24 2020Zehnder Group International AG(assignment on the face of the patent)
Apr 01 2022PAIHO, JANNEZehnder Group International AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0595470847 pdf
Apr 01 2022BLADH, MAGNUSZehnder Group International AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0595470847 pdf
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