Coffee filter
The dash-dash broken lines in the drawings depict portions of the coffee filter that form no part of the claimed design. The dot-dash broken lines represent boundaries of the enlarged portions and form no part of the claimed design.
Claims
The ornamental design for a coffee filter, as shown and described.
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Type: Grant
Filed: Jan 18, 2022
Date of Patent: Feb 7, 2023
Inventor: Zhen Guo (Huizhou)
Primary Examiner: Andrew Kerr
Application Number: 29/823,465