USD552158SExpiredUtility
Electronic keyboard instrument
Est. expiryApr 4, 2025(expired)· nominal 20-yr term from priority
Inventors:Soichiro Tanaka
51
PatentIndex Score
8
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9
References
1
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exact text as granted — not AI-modifiedCLAIM
The ornamental design for an electronic keyboard instrument, as shown.Cited by (0)
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