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
D722686 | February 17, 2015 | Salagnac |
D827799 | September 4, 2018 | Shin |
D835248 | December 4, 2018 | Echeverri |
D835249 | December 4, 2018 | Echeverri |
D835765 | December 11, 2018 | Chen |
D837354 | January 1, 2019 | Su |
D841140 | February 19, 2019 | Chen |
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: D891598
Type: Grant
Filed: Mar 27, 2019
Date of Patent: Jul 28, 2020
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Alonso M. Hernandez (St. Paul, MN), Nicolas A. Echeverri (Woodbury, MN), Brian D. Gale (Blaine, MN)
Primary Examiner: David G Muller
Application Number: 29/685,260
Type: Grant
Filed: Mar 27, 2019
Date of Patent: Jul 28, 2020
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Alonso M. Hernandez (St. Paul, MN), Nicolas A. Echeverri (Woodbury, MN), Brian D. Gale (Blaine, MN)
Primary Examiner: David G Muller
Application Number: 29/685,260
Classifications
Current U.S. Class:
Air Cleaner (D23/364)