USD311412SExpiredUtility

Combined grand piano keyboard cover and auto-play control unit

Assignee: NIPPON GAKKI SEIZU KKPriority: May 19, 1987Filed: May 19, 1987Granted: Oct 16, 1990

Est. expiryMay 19, 2007(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a combined grand piano keyboard cover and auto-play control unit, as shown and described.

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