Air purifier
Latest 3M INNOVATIVE PROPERTIES COMPANY Patents:
- Molded optical connectors with zero-draft mechanical alignment features
- Slot die coating using concave die lip over deformable back-up roll
- Flowable hardenable composition, thermally conductive composition, and electronic heat sink assembly including the same
- Hardhat with air conduit
- Optical film, reflective polarizer, optical stack, and optical construction
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
| D638923 | May 31, 2011 | Choi |
| D639413 | June 7, 2011 | Wu |
| D705410 | May 20, 2014 | Terao |
| D735843 | August 4, 2015 | Sunwoo |
| D741465 | October 20, 2015 | Satou |
| D791297 | July 4, 2017 | Ljungstrom |
| D797272 | September 12, 2017 | Poindexter |
| D798430 | September 26, 2017 | Nord |
| 20060015974 | January 19, 2006 | Ike |
| D1554467 | July 2016 | JP |
| D1561709 | October 2016 | JP |
Patent History
Patent number: D835249
Type: Grant
Filed: Sep 6, 2017
Date of Patent: Dec 4, 2018
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Nicolas A. Echeverri (Woodbury, MN), Alonso M. Hernandez (St. Paul, MN), Aaron P. Thompson (Menomonie, WI), Angela L. Pan (Arden Hills, MN), Brian D. Gale (Blaine, MN), Andrew R. Fox (Oakdale, MN), Himanshu Jasuja (Rajasthan)
Primary Examiner: David Muller
Application Number: 29/616,442
Type: Grant
Filed: Sep 6, 2017
Date of Patent: Dec 4, 2018
Assignee: 3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN)
Inventors: Nicolas A. Echeverri (Woodbury, MN), Alonso M. Hernandez (St. Paul, MN), Aaron P. Thompson (Menomonie, WI), Angela L. Pan (Arden Hills, MN), Brian D. Gale (Blaine, MN), Andrew R. Fox (Oakdale, MN), Himanshu Jasuja (Rajasthan)
Primary Examiner: David Muller
Application Number: 29/616,442
Classifications
Current U.S. Class:
Filter (D23/365)