USD322086SExpiredUtility

Electronic piano

59
Assignee: YAMAHA CORPPriority: May 17, 1988Filed: Nov 15, 1988Granted: Dec 3, 1991
Est. expiryMay 17, 2008(expired)· nominal 20-yr term from priority
Inventors:Yasuo YamawakiKazuyuki Mizushima
59
PatentIndex Score
8
Cited by
11
References
1
Claims

Claims

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

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