USD387063SExpiredUtility

Telephone key expansion unit

67
Assignee: SIEMENS ROLM COMMUNICATIONS INCPriority: Jun 15, 1995Filed: Jun 15, 1995Granted: Dec 2, 1997
Est. expiryJun 15, 2015(expired)· nominal 20-yr term from priority
Inventors:Stefan HillenmayerUlrich SkrypalleWayne E. MckinnonDavid E. BryantMary E. KingsburyErich C. ElkinsDoug A. Erwin
67
PatentIndex Score
15
Cited by
11
References
1
Claims

Claims

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

Join the waitlist — get patent alerts

Track USD387063S — get alerts on status changes and closely related new filings.

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