Filter cleaner
Description
The broken lines in
Claims
The ornamental design for a filter cleaner, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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Patent History
Patent number: D935291
Type: Grant
Filed: Dec 11, 2019
Date of Patent: Nov 9, 2021
Inventor: Brad A. English (Tucson, AZ)
Primary Examiner: Keli L Hill
Assistant Examiner: Sara S Sahneh
Application Number: 29/716,665
Type: Grant
Filed: Dec 11, 2019
Date of Patent: Nov 9, 2021
Inventor: Brad A. English (Tucson, AZ)
Primary Examiner: Keli L Hill
Assistant Examiner: Sara S Sahneh
Application Number: 29/716,665
Classifications
Current U.S. Class:
D8/29;
D8/70