Filter
Description
Claims
The ornamental design for a filter, as shown and described.
Referenced Cited
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Patent History
Patent number: D858695
Type: Grant
Filed: Mar 12, 2019
Date of Patent: Sep 3, 2019
Inventor: Ziyong Chen (Guangdong)
Primary Examiner: Manpreet S Matharu
Assistant Examiner: Keith J Wilson
Application Number: 29/683,377
Type: Grant
Filed: Mar 12, 2019
Date of Patent: Sep 3, 2019
Inventor: Ziyong Chen (Guangdong)
Primary Examiner: Manpreet S Matharu
Assistant Examiner: Keith J Wilson
Application Number: 29/683,377
Classifications