USD521979SExpiredUtility
Speaker box
Est. expiryFeb 8, 2025(expired)· nominal 20-yr term from priority
Inventors:Yasuhiro Ishibashi
58
PatentIndex Score
10
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a speaker box, as shown.Join the waitlist — get patent alerts
Track USD521979S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.