Coffee filter
Description
The broken lines immediately adjacent to the claimed portions are boundaries, all other broken lines are environmental structures; all the broken lines form no part of the claimed design.
Claims
The ornamental design for a coffee filter, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D910371
Type: Grant
Filed: Oct 24, 2018
Date of Patent: Feb 16, 2021
Inventor: Yu E Zhang (Changde)
Primary Examiner: Brett Miller
Application Number: 29/667,668
Type: Grant
Filed: Oct 24, 2018
Date of Patent: Feb 16, 2021
Inventor: Yu E Zhang (Changde)
Primary Examiner: Brett Miller
Application Number: 29/667,668
Classifications
Current U.S. Class:
D7/400