USD307144SExpiredUtility

Key telephone set

59
Assignee: NITSUKO LTDPriority: Dec 17, 1986Filed: Jun 17, 1987Granted: Apr 10, 1990
Est. expiryDec 17, 2006(expired)· nominal 20-yr term from priority
Inventors:Akiyoshi Hattori
59
PatentIndex Score
8
Cited by
12
References
1
Claims

Claims

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

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