PTO
Wrapper
PDF
|
Dossier
Espace
Google
|
|
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 |
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 |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a