USD507291SExpiredUtility

Electronic keyboard instrument

Assignee: YAMAHA CORPPriority: Jan 7, 2004Filed: May 27, 2004Granted: Jul 12, 2005
Est. expiryJan 7, 2024(expired)· nominal 20-yr term from priority
Inventors:Sunao Okamura
48
PatentIndex Score
6
Cited by
5
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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