Rock tumbler
Description
The broken lines shown in the drawings are included for the purpose of illustrating portions of the rock tumbler that form no part of the claimed design.
Claims
The ornamental design for a rock tumbler, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D940763
Type: Grant
Filed: Apr 12, 2021
Date of Patent: Jan 11, 2022
Inventor: Yuan Zhao (Henan)
Primary Examiner: Patricia A Palasik
Application Number: 29/778,225
Type: Grant
Filed: Apr 12, 2021
Date of Patent: Jan 11, 2022
Inventor: Yuan Zhao (Henan)
Primary Examiner: Patricia A Palasik
Application Number: 29/778,225
Classifications
Current U.S. Class:
Abrading (D15/124)