Filter
Description
The evenly spaced broken lines depict portions of the filter that form no part of the claim.
Claims
A new, original, ornamental design for a filter, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D880660
Type: Grant
Filed: Dec 13, 2017
Date of Patent: Apr 7, 2020
Inventor: Ziyong Chen (Shenzhen)
Primary Examiner: Amy C Wierenga
Application Number: 29/629,549
Type: Grant
Filed: Dec 13, 2017
Date of Patent: Apr 7, 2020
Inventor: Ziyong Chen (Shenzhen)
Primary Examiner: Amy C Wierenga
Application Number: 29/629,549
Classifications
Current U.S. Class:
Drain Guard Or Strainer (12) (D23/261)