USD509820SExpiredUtility

Interphone

Assignee: AIPHONE CO LTDPriority: Jun 30, 2003Filed: Jul 15, 2004Granted: Sep 20, 2005

Est. expiryJun 30, 2023(expired)· nominal 20-yr term from priority

PatentIndex Score

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for an interphone, as shown and described.

Join the waitlist — get patent alerts

Track USD509820S — get alerts on status changes and closely related new filings.

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