Air cleaning device
Description
1. Air cleaning device
The left hand view is a mirror image of the right hand view.
The broken lines in the drawings represent unclaimed portions of the air cleaning device.
Claims
The ornamental design for an air cleaning device, as shown and described.
Referenced Cited
U.S. Patent Documents
| D310713 | September 18, 1990 | Klein |
| D352350 | November 8, 1994 | Rambo |
| D398045 | September 8, 1998 | Jane |
| D416993 | November 23, 1999 | Dong |
| D836761 | December 25, 2018 | Bisognin |
| D916266 | April 13, 2021 | Jin |
| D928931 | August 24, 2021 | Lyu |
| D933797 | October 19, 2021 | Liu |
| D933798 | October 19, 2021 | Wang |
| D948019 | April 5, 2022 | Kim |
Patent History
Patent number: D973191
Type: Grant
Filed: Dec 2, 2020
Date of Patent: Dec 20, 2022
Inventor: Andrew Carnegie (Chippenham)
Primary Examiner: Keli L Hill
Application Number: 35/511,707
Type: Grant
Filed: Dec 2, 2020
Date of Patent: Dec 20, 2022
Inventor: Andrew Carnegie (Chippenham)
Primary Examiner: Keli L Hill
Application Number: 35/511,707
Classifications
Current U.S. Class:
Air Cleaner (D23/364)
