USD451085SExpiredUtility
Speaker box
Est. expiryMar 22, 2021(expired)· nominal 20-yr term from priority
Inventors:Kirio Masui
H04R 1/02
79
PatentIndex Score
23
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a speaker box, as shown and described.
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