USD412904SExpiredUtility

Telephone headset amplifier unit

35
Individually held — no corporate assignee on recordPriority: Aug 13, 1998Filed: Aug 13, 1998Granted: Aug 17, 1999
Est. expiryAug 13, 2018(expired)· nominal 20-yr term from priority
Inventors:Ravi SawhneyLance HusseyCary Chow
35
PatentIndex Score
2
Cited by
18
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for telephone headset amplifier unit, as shown and described.

Join the waitlist — get patent alerts

Track USD412904S — get alerts on status changes and closely related new filings.

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