Door intercom

- AmRoad Technology Inc.
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FIG. 1 is a perspective view of a first embodiment of a door intercom showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof; and,

FIG. 6 is a top plan view thereof.


The ornamental design for a door intercom, as shown and described.

Referenced Cited
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Patent History
Patent number: D660819
Type: Grant
Filed: Jan 4, 2012
Date of Patent: May 29, 2012
Assignee: AmRoad Technology Inc.
Inventors: Ren-Peng Chen (Taipei), Ke-Rong Lin (Taipei)
Primary Examiner: Austin Murphy
Attorney: Roger H. Chu
Application Number: 29/410,064
Current U.S. Class: Intercom (7) (D14/159)