USD521981SExpiredUtility
Speaker box
Est. expiryFeb 15, 2025(expired)· nominal 20-yr term from priority
Inventors:Takashi Sogabe
81
PatentIndex Score
27
Cited by
9
References
1
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exact text as granted — not AI-modifiedCLAIM
The ornamental design for a speaker box, as shown.Cited by (0)
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