Filter
Description
The broken lines in the drawings illustrate the portions of the filter, which form no part of the claimed design.
Claims
The ornamental design for a filter, as shown and described.
Referenced Cited
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Patent History
Patent number: D998773
Type: Grant
Filed: Nov 3, 2022
Date of Patent: Sep 12, 2023
Inventor: Jianfeng Sun (Jiaxing)
Primary Examiner: David G Muller
Assistant Examiner: Jamaal Rasheed
Application Number: 29/858,800
Type: Grant
Filed: Nov 3, 2022
Date of Patent: Sep 12, 2023
Inventor: Jianfeng Sun (Jiaxing)
Primary Examiner: David G Muller
Assistant Examiner: Jamaal Rasheed
Application Number: 29/858,800
Classifications
Current U.S. Class:
Air Cleaner (D23/364)