USD269267SExpiredUtility

Telephone amplifier

63
Assignee: BROWN DWIGHT CPriority: Sep 14, 1982Filed: Sep 14, 1982Granted: Jun 7, 1983
Est. expirySep 14, 2002(expired)· nominal 20-yr term from priority
Inventors:Dwight C. Brown
63
PatentIndex Score
8
Cited by
4
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD269267S — get alerts on status changes and closely related new filings.

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