Filter
Description
The broken line depicted in the drawings are for the purpose of illustrating portions of the filter that form no part of the claimed design.
Claims
The ornamental design for filter, as shown and described.
Referenced Cited
U.S. Patent Documents
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D795995 | August 29, 2017 | Zou |
D798997 | October 3, 2017 | Zou |
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D896342 | September 15, 2020 | Wei |
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D932586 | October 5, 2021 | Du |
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D932590 | October 5, 2021 | Du |
Patent History
Patent number: D952794
Type: Grant
Filed: Mar 30, 2020
Date of Patent: May 24, 2022
Inventor: Zhigang Du (Tianjin)
Primary Examiner: John A Voytek
Application Number: 29/729,773
Type: Grant
Filed: Mar 30, 2020
Date of Patent: May 24, 2022
Inventor: Zhigang Du (Tianjin)
Primary Examiner: John A Voytek
Application Number: 29/729,773
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)