Telephone extension module

Information

We claim the ornamental design for a telephone extension module, as shown and described.

Number	Name	Date
D277476	Foggia et al.	Feb 1985
D284568	Yamagami et al.	Jul 1986
D349900	Read et al.	Aug 1994
D387063	Hillenmayer et al.	Dec 1997
D405447	Landry et al.	Feb 1999
D410005	Landry et al.	May 1999
D417222	Johnson et al.	Nov 1999

Entry
Radio Shack .RTM., Amplified Equalizer Telephone ET-145, Owner's Manual, Cat. No. 43-598, .COPYRGT. 1994 Tandy Corporation.
POLYCOM .RTM., SoundPoint Pro Desktop Conference Phone 3-Line, User's Guide, .COPYRGT. 1998 Polycom, Inc.
SONY.RTM., 2-Line ID Telephone IT-M602, Operating Instructions, .COPYRGT. 1998 by Sony Corporation.
Radio Shack .RTM., ET-290 TrimFone Telephone, Owner's Manual, Cat. No. 43-585B/6B/7A, .COPYRGT. 1997 Tandy Corporation.
Nortel, Venture Multiline Communications Systems, User Guide, .COPYRGT. 1997 Northern Telecom.
CASIO PhoneMate, TI-360 Telephone with Digital Answering Machine & Call Waiting Caller ID Display, Owner's Guide.
Siemens, CSL 2000, CSL 3000, User Guide, .COPYRGT. Siemens GEC Communications Systems Limited 1998.
CIDCO, Screen Telephone 2100, .COPYRGT. 1997 by CIDCO Corporation.
GE, 2-9439 Three Line Business Telephone, User's Guide. No date given.
AT&T 730 No date given.
AT&T 9120 No date given.
GE sn#50219114 No date given.
Lucent 6424D+ No date given.
Lucent Technologies 930 No date given.
Northern Telcom sn#NT2N30AA43 No date given.
Radio Shack ET-293 No date given.
Samsung LCD24B No date given.
Selsius Systems 30SP No date given.