USD797847SActiveUtility

Abacus

46
Assignee: ZHANG SHIPriority: Mar 16, 2016Filed: Mar 16, 2016Granted: Sep 19, 2017
Est. expiryMar 16, 2036(~9.7 yrs left)· nominal 20-yr term from priority
Inventors:Shi-Qiu Zhang
46
PatentIndex Score
7
Cited by
47
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an abacus, as shown and described.

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