USD312091SExpiredUtility

Design for portable electronic musical key board

Assignee: YAMAHA CORPPriority: Oct 2, 1987Filed: Mar 31, 1988Granted: Nov 13, 1990

Est. expiryOct 2, 2007(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for portable electronic musical key board, as shown and described.

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