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
Foreign Patent Documents
D401318 | November 17, 1998 | Rakocy |
D422690 | April 11, 2000 | Rakocy |
D431644 | October 3, 2000 | Huang |
D446577 | August 14, 2001 | Barker |
D448461 | September 25, 2001 | Toro |
D457230 | May 14, 2002 | Huang |
D518563 | April 4, 2006 | Blateri |
D650474 | December 13, 2011 | Huang |
D673665 | January 1, 2013 | Langford |
D719250 | December 9, 2014 | Poindexter |
D729919 | May 19, 2015 | Yeom |
D755942 | May 10, 2016 | Kim |
D835765 | December 11, 2018 | Chen |
D852344 | June 25, 2019 | Hua |
D874626 | February 4, 2020 | Protet |
D876599 | February 25, 2020 | He |
D877873 | March 10, 2020 | Pan |
D879273 | March 24, 2020 | Shih |
D886269 | June 2, 2020 | Sakamoto |
D888921 | June 30, 2020 | Fujii |
D1101048 | February 2001 | JP |
D1235105 | April 2005 | JP |
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)