USD392974SExpiredUtility

Subwoofer loudspeaker

Assignee: SONY CORPPriority: May 22, 1997Filed: May 22, 1997Granted: Mar 31, 1998

Est. expiryMay 22, 2017(expired)· nominal 20-yr term from priority

PatentIndex Score

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for a subwoofer loudspeaker, as shown and described.

Join the waitlist — get patent alerts

Track USD392974S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.