USD523717SExpiredUtility

Sharpener

51
Assignee: QINGDAO D&D ELECTRO MECHANICAL TECHNOLOGIES CO LTDPriority: Jul 9, 2004Filed: Sep 16, 2004Granted: Jun 27, 2006
Est. expiryJul 9, 2024(expired)· nominal 20-yr term from priority
Inventors:Jianjin GuoDaguang Wang
51
PatentIndex Score
10
Cited by
12
References
1
Claims

Claims

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

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