USD319248SExpiredUtility

Electronic keyboard musical instrument

43
Assignee: YAMAHA CORPPriority: Sep 8, 1988Filed: Feb 9, 1989Granted: Aug 20, 1991
Est. expirySep 8, 2008(expired)· nominal 20-yr term from priority
Inventors:Ikuro Mine
43
PatentIndex Score
4
Cited by
8
References
1
Claims

Claims

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

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