USD552158SExpiredUtility

Electronic keyboard instrument

51
Assignee: YAMAHA CORPPriority: Apr 4, 2005Filed: Aug 10, 2005Granted: Oct 2, 2007
Est. expiryApr 4, 2025(expired)· nominal 20-yr term from priority
Inventors:Soichiro Tanaka
51
PatentIndex Score
8
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for an electronic keyboard instrument, as shown.

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