USD279776SExpiredUtility

Modular telephone base unit

48
Assignee: GTE BUSINESS COMMUNICATION SYSTEMSPriority: May 2, 1983Filed: May 2, 1983Granted: Jul 23, 1985
Est. expiryMay 2, 2003(expired)· nominal 20-yr term from priority
Inventors:Michael D. Mitchell
48
PatentIndex Score
4
Cited by
9
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a modular telephone base unit, as shown.

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