Air purifier
Latest NINGBO ZHEKAI ELECTRIC CO., LTD. Patents:
Description
The broken line portions of the air purifier in
Claims
The ornamental design for an air purifier, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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- Alibaba.com, 2017 best sell air purifier with HEPA filter air cleaner, Jul. 16, 2018, https://cnhansheng.en.alibaba.com/product/60725877146-218171367/2017_best_sell_air_purifier_with_HEPA_filter_air_cleaner.html?spm=a2700.icbuShop.prewdfa4cf.98.509568d8iMIG7u.
Patent History
Patent number: D828529
Type: Grant
Filed: Dec 21, 2017
Date of Patent: Sep 11, 2018
Assignee: NINGBO ZHEKAI ELECTRIC CO., LTD. (Zhejiang)
Inventor: Hairong Hu (Zhejiang)
Primary Examiner: David Muller
Assistant Examiner: Nathan Johnston
Application Number: 29/630,656
Type: Grant
Filed: Dec 21, 2017
Date of Patent: Sep 11, 2018
Assignee: NINGBO ZHEKAI ELECTRIC CO., LTD. (Zhejiang)
Inventor: Hairong Hu (Zhejiang)
Primary Examiner: David Muller
Assistant Examiner: Nathan Johnston
Application Number: 29/630,656
Classifications
Current U.S. Class:
Air Cleaner (D23/364)