Interphone

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

Design Patent

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Details

CD14S142000, CD14S146000

Design Patent

active

29253851

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

REFERENCES:
patent: D283130 (1986-03-01), Boenning
patent: D289754 (1987-05-01), Koob
patent: 4843461 (1989-06-01), Tatsumi et al.
patent: D394653 (1998-05-01), Kato et al.
patent: D394656 (1998-05-01), Kato et al.
patent: D466882 (2002-12-01), Matsui et al.
patent: D480702 (2003-10-01), Yoshida et al.
patent: D488158 (2004-04-01), Chen et al.

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