Door phone
Latest AmRoad Technology Inc. Patents:
Description
The broken lines shown in
Claims
The ornamental design for a door phone, as shown and described.
Referenced Cited
U.S. Patent Documents
D283130 | March 25, 1986 | Boenning |
D313592 | January 8, 1991 | Morooka |
D321686 | November 19, 1991 | Plozner |
D381638 | July 29, 1997 | Kruse et al. |
D394656 | May 26, 1998 | Kato et al. |
D480702 | October 14, 2003 | Yoshida et al. |
D487435 | March 9, 2004 | Huang et al. |
D491551 | June 15, 2004 | Matsui et al. |
D505127 | May 17, 2005 | Yoshida et al. |
D519100 | April 18, 2006 | Shioya et al. |
D525160 | July 18, 2006 | Kurata |
D561734 | February 12, 2008 | Yamada et al. |
D562306 | February 19, 2008 | Jeong et al. |
D569819 | May 27, 2008 | Rinaldi et al. |
D595260 | June 30, 2009 | Takahata |
20040091092 | May 13, 2004 | Unger et al. |
Patent History
Patent number: D618659
Type: Grant
Filed: Jan 6, 2010
Date of Patent: Jun 29, 2010
Assignee: AmRoad Technology Inc. (Chung Ho, Taipei Hsien)
Inventor: Chun-Hsu Su (Taipei)
Primary Examiner: Austin Murphy
Attorney: Roger H. Chu
Application Number: 29/353,255
Type: Grant
Filed: Jan 6, 2010
Date of Patent: Jun 29, 2010
Assignee: AmRoad Technology Inc. (Chung Ho, Taipei Hsien)
Inventor: Chun-Hsu Su (Taipei)
Primary Examiner: Austin Murphy
Attorney: Roger H. Chu
Application Number: 29/353,255
Classifications
Current U.S. Class:
Intercom (7) (D14/159)