USD490837SExpiredUtility
Roll-up electronic keyboard
Priority: Aug 16, 2002Filed: Feb 14, 2003Granted: Jun 1, 2004
Est. expiryAug 16, 2022(expired)· nominal 20-yr term from priority
Inventors:Young-So Chang
57
PatentIndex Score
19
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for a roll-up electronic keyboard, as shown and described.
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