Ground cleaning device
Description
The broken lines in the drawing depict environmental subject matter only and form no part of the claimed design.
Claims
The ornamental design for ground cleaning device, as shown and described.
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Patent History
Patent number: D901796
Type: Grant
Filed: May 19, 2020
Date of Patent: Nov 10, 2020
Inventor: Binghui Yang (Guangdong)
Primary Examiner: Michelle E. Wilson
Application Number: 29/735,262
Type: Grant
Filed: May 19, 2020
Date of Patent: Nov 10, 2020
Inventor: Binghui Yang (Guangdong)
Primary Examiner: Michelle E. Wilson
Application Number: 29/735,262
Classifications
Current U.S. Class:
Surface Treatment, E.g., Floor, Street, Etc. (D32/15)