USD298939SExpiredUtility

Key telephone set with speakerphone and visual display panel

86
Assignee: NEC CORPPriority: Sep 12, 1986Filed: Mar 12, 1987Granted: Dec 13, 1988
Est. expirySep 12, 2006(expired)· nominal 20-yr term from priority
Inventors:Kenichi MorikawaMasafuku AkatsuTatsuya KatoSeizo OhtaTakeshi Nakatani
86
PatentIndex Score
25
Cited by
12
References
1
Claims

Claims

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

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