USD536693SExpiredUtility
Speaker box
Est. expiryDec 15, 2025(expired)· nominal 20-yr term from priority
Inventors:Jun Komiyama
69
PatentIndex Score
16
Cited by
7
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a speaker box, as shown.Cited by (0)
No later patents cite this yet.
References (0)
No backward citations on record.