Air purifier
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Description
The portions of the air purifier in
Claims
The ornamental design for an air purifier, as shown and described.
Referenced Cited
U.S. Patent Documents
D683439 | May 28, 2013 | Choi |
D810906 | February 20, 2018 | Yoon |
D827799 | September 4, 2018 | Shin |
D835248 | December 4, 2018 | Echeverri |
D835249 | December 4, 2018 | Echeverri |
D835765 | December 11, 2018 | Chen |
D841140 | February 19, 2019 | Chen |
D841783 | February 26, 2019 | Hu |
D852344 | June 25, 2019 | Hua |
D853544 | July 9, 2019 | Vu |
D861145 | September 24, 2019 | Fang |
D876599 | February 25, 2020 | He |
D877873 | March 10, 2020 | Pan |
D878530 | March 17, 2020 | Pan |
Patent History
Patent number: D903847
Type: Grant
Filed: Mar 27, 2019
Date of Patent: Dec 1, 2020
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Alonso M. Hernandez (St. Paul, MN), Brian D. Gale (Blaine, MN), Nicolas A. Echeverri (Woodbury, MN)
Primary Examiner: David G Muller
Application Number: 29/685,244
Type: Grant
Filed: Mar 27, 2019
Date of Patent: Dec 1, 2020
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Alonso M. Hernandez (St. Paul, MN), Brian D. Gale (Blaine, MN), Nicolas A. Echeverri (Woodbury, MN)
Primary Examiner: David G Muller
Application Number: 29/685,244
Classifications
Current U.S. Class:
Air Cleaner (D23/364)