Interphone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Intercom

Design Patent

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Design Patent

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D0466882

CLAIM:
The ornamental design for an interphone, as shown and described.

REFERENCES:
patent: 4130728 (1978-12-01), Grauel
patent: D283130 (1986-03-01), Boenning
patent: D313592 (1991-01-01), Morooka
patent: D321686 (1991-11-01), Plozner
patent: D399203 (1998-10-01), Renk, Jr.

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