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Publication numberUSD428000 S
Publication typeGrant
Application numberUS 29/102,257
Publication dateJul 11, 2000
Filing dateMar 19, 1999
Publication number102257, 29102257, US D428000 S, US D428000S, US-S-D428000, USD428000 S, USD428000S
InventorsSteven R. Takayama, Steven P. Vassallo, Jonathan I. Kaplan, Heather Andrus, Jochen Philipp Backs, Rudy Lucas Samuels
Original AssigneeCisco Technology, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Telephone extension module
US D428000 S
Abstract  available in
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  1. We claim the ornamental design for a telephone extension module, as shown and described.

FIG. 1 is a perspective view of a telephone extension module in accordance with the present design, wherein the broken line showing of a telephone is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Non-Patent Citations
1AT&T 730 No date given.
2AT&T 9120 No date given.
3CASIO PhoneMate, TI-360 Telephone with Digital Answering Machine & Call Waiting Caller ID Display, Owner's Guide.
4CIDCO, Screen Telephone 2100, © 1997 by CIDCO Corporation.
5GE sn#50219114 No date given.
6GE, 2-9439 Three Line Business Telephone, User's Guide. No date given.
7Lucent 6424D+ No date given.
8Lucent Technologies 930 No date given.
9Nortel, Venture Multiline Communications Systems, User Guide, © 1997 Northern Telecom.
10Northern Telcom sn#NT2N30AA43 No date given.
11POLYCOM ®, SoundPoint Pro Desktop Conference Phone 3-Line, User's Guide, © 1998 Polycom, Inc.
12Radio Shack ®, Amplified Equalizer Telephone ET-145, Owner's Manual, Cat. No. 43-598, © 1994 Tandy Corporation.
13Radio Shack ®, ET-290 TrimFone Telephone, Owner's Manual, Cat. No. 43-585B/6B/7A, © 1997 Tandy Corporation.
14Radio Shack ET-293 No date given.
15Samsung LCD24B No date given.
16Selsius Systems 30SP No date given.
17Siemens, CSL 2000, CSL 3000, User Guide, © Siemens GEC Communications Systems Limited 1998.
18SONY®, 2-Line ID Telephone IT-M602, Operating Instructions, © 1998 by Sony Corporation.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD771006 *Aug 5, 2015Nov 8, 2016Panasonic Intellectual Property Management Co., Ltd.Telephone base unit
U.S. ClassificationD14/140.9