USD847881SActiveUtility

Air-operated grinding device

16
Assignee: NINGBO SANKUI GRINDING MAT CO LTDPriority: Jan 30, 2018Filed: Jan 30, 2018Granted: May 7, 2019
Est. expiryJan 30, 2038(~11.5 yrs left)· nominal 20-yr term from priority
Inventors:Biao GuoYong Jia
16
PatentIndex Score
0
Cited by
10
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for air-operated grinding device, as shown and described.

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