USD301031SExpiredUtility

Key telephone set

75
Assignee: NITSUKO LTDPriority: May 13, 1986Filed: Oct 22, 1986Granted: May 9, 1989
Est. expiryMay 13, 2006(expired)· nominal 20-yr term from priority
Inventors:Yoshio SasakiHiroyoshi SatoIwamasa NishikadoTsuneji Kimeda
75
PatentIndex Score
17
Cited by
15
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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