Air purifier
Latest 3M INNOVATIVE PROPERTIES COMPANY Patents:
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
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Patent History
Patent number: D912236
Type: Grant
Filed: Aug 19, 2019
Date of Patent: Mar 2, 2021
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Alonso M. Hernandez (Minneapolis, MN), Brian D. Gale (Blaine, MN), Connor M. Pelletier-Sutton (St. Paul, MN)
Primary Examiner: David G Muller
Application Number: 29/702,380
Type: Grant
Filed: Aug 19, 2019
Date of Patent: Mar 2, 2021
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Alonso M. Hernandez (Minneapolis, MN), Brian D. Gale (Blaine, MN), Connor M. Pelletier-Sutton (St. Paul, MN)
Primary Examiner: David G Muller
Application Number: 29/702,380
Classifications
Current U.S. Class:
Air Cleaner (D23/364)