Air purifier
Latest Qierling (Beijing) Health Technology Co., Ltd. Patents:
Description
The broken lines shown in the figures illustrate portions of the air purifier that form no part of the claimed design.
Claims
The ornamental design for an air purifier, as shown and described.
Referenced Cited
U.S. Patent Documents
D683439 | May 28, 2013 | Choi |
D728089 | April 28, 2015 | Crisa′ |
D749202 | February 9, 2016 | Satou |
D791297 | July 4, 2017 | Ljungstrom |
D798430 | September 26, 2017 | Nord |
9776144 | October 3, 2017 | Lu |
D819189 | May 29, 2018 | Chen |
D835249 | December 4, 2018 | Echeverri |
D835765 | December 11, 2018 | Chen |
D837354 | January 1, 2019 | Su |
D841140 | February 19, 2019 | Chen |
D854134 | July 16, 2019 | Jessup |
D865148 | October 29, 2019 | Yoon |
Patent History
Patent number: D898889
Type: Grant
Filed: Jan 29, 2019
Date of Patent: Oct 13, 2020
Assignee: Qierling (Beijing) Health Technology Co., Ltd. (Beijing)
Inventor: Hua Yu (Beijing)
Primary Examiner: David G Muller
Application Number: 29/678,548
Type: Grant
Filed: Jan 29, 2019
Date of Patent: Oct 13, 2020
Assignee: Qierling (Beijing) Health Technology Co., Ltd. (Beijing)
Inventor: Hua Yu (Beijing)
Primary Examiner: David G Muller
Application Number: 29/678,548
Classifications
Current U.S. Class:
Air Cleaner (D23/364)