Filter
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The evenly spaced broken lines depict portions of the filter that form no part of the claimed design. The filter is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.
Claims
The ornamental design for a filter, as shown and described.
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Type: Grant
Filed: Mar 16, 2021
Date of Patent: Sep 27, 2022
Assignee: SMC CORPORATION (Tokyo)
Inventor: Takayuki Tanaka (Tsukuba)
Primary Examiner: Jack Reickel
Assistant Examiner: Bobby W Jones, II
Application Number: 29/774,381