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Publication numberUSD502156 S1
Publication typeGrant
Application numberUS 29/196,393
Publication dateFeb 22, 2005
Filing dateDec 29, 2003
Priority dateDec 29, 2003
Publication number196393, 29196393, US D502156 S1, US D502156S1, US-S1-D502156, USD502156 S1, USD502156S1
InventorsTamotsu Senda, Kouji Yukikado
Original AssigneeMatsushita Electric Industrial Co., Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Main unit of entrance television phone system
US D502156 S1
Abstract  available in
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  1. The ornamental design for a main unit of entrance television phone system, as shown and described.

FIG. 1 is a front perspective view of a main unit of entrance television phone system of the present invention;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a second side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

Non-Patent Citations
1Catalog published by AIRPHONE for Entrance TV system <MTD>.
2Web site page of Matsushita Electric Works for Entrance TV system <WQC444W>.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD735160 *Jul 16, 2014Jul 28, 2015Mobotix AgIntercom system
USD761754 *Aug 7, 2015Jul 19, 2016Came S.P.A.Intercom
USD761755 *Aug 7, 2015Jul 19, 2016Came S.P.A.Intercom
U.S. ClassificationD14/130, D14/129, D14/159, D14/142