USD510381SExpiredUtility

Electronic keyboard instrument

77
Assignee: YAMAHA CORPPriority: Jan 14, 2004Filed: May 27, 2004Granted: Oct 4, 2005
Est. expiryJan 14, 2024(expired)· nominal 20-yr term from priority
Inventors:Sunao OkamuraKunihiro Takei
77
PatentIndex Score
21
Cited by
9
References
1
Claims

Claims

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

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