Audio/video intercom system

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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D0528534

CLAIM:
The ornamental design for an audio/video intercom system, as shown and described.

REFERENCES:
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patent: 6015120 (2000-01-01), Sweere et al.
patent: D475985 (2003-06-01), Huang et al.
patent: 6657853 (2003-12-01), Oba et al.
Photograph of Old Intercom Unit used by Greyfield Industries, undated.

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