USD322800SExpiredUtility

Portable electric piano

62
Assignee: GOLD STAR COPriority: May 31, 1989Filed: Nov 29, 1989Granted: Dec 31, 1991
Est. expiryMay 31, 2009(expired)· nominal 20-yr term from priority
Inventors:Chang Soo Yun
62
PatentIndex Score
10
Cited by
8
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a portable electric piano, as shown and described.

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