The evenly spaced broken lines in the drawings illustrate portions of the air purifier which form no part of the claimed design. The dash-dot broken lines showing the enlargements in 
 
                 Patent Grant
 Patent Grant
                     D949311
 D949311
                    
    
    
    
    
    
    
    
    
    
    
The evenly spaced broken lines in the drawings illustrate portions of the air purifier which form no part of the claimed design. The dash-dot broken lines showing the enlargements in 
| Number | Date | Country | Kind | 
|---|---|---|---|
| 202030585579.9 | Sep 2020 | CN | national | 
| Number | Name | Date | Kind | 
|---|---|---|---|
| D682406 | Yeom | May 2013 | S | 
| D721061 | Burlingame | Jan 2015 | S | 
| 9919252 | Wennerstrom | Mar 2018 | B2 | 
| D835765 | Chen | Dec 2018 | S | 
| D852344 | Hua | Jun 2019 | S | 
| D912796 | Huang | Mar 2021 | S | 
| D915575 | Chen | Apr 2021 | S | 
| D921869 | Han | Jun 2021 | S | 
| D933179 | Fu | Oct 2021 | S | 
| 20210190342 | Zhan | Jun 2021 | A1 | 
| Number | Date | Country | 
|---|---|---|
| 304934965 | Dec 2018 | CN | 
| 305803734 | May 2020 | CN | 
| 305870855 | Jun 2020 | CN | 
| Entry | 
|---|
| RedyPure Air Purifiers, first available Sep. 2, 2020[online], [site visited Jan. 6, 2022]. Available from internet, URL:<https://www.amazon.com/dp/B08CKBQNBB> (Year: 2020). | 
| ROVACS Air Purifiers, first available Oct. 22, 2020[online], [site visited Dec. 13, 2021]. Available from internet, URL:<https://www.amazon.com/ROVACS-Purifiers-Allergies-Available-California/dp/B08LN85H7Z> (Year: 2020). |