USD532456SExpiredUtility

Language-studying device

31
Assignee: LUXPRO CORPPriority: Sep 23, 2004Filed: Sep 23, 2004Granted: Nov 21, 2006
Est. expirySep 23, 2024(expired)· nominal 20-yr term from priority
Inventors:Fu-Ching Wu
31
PatentIndex Score
7
Cited by
9
References
1
Claims

Claims

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

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