Patent
   D389156
Priority
Apr 16 1996
Filed
Oct 15 1996
Issued
Jan 13 1998
Expiry
Jan 13 2012
Assg.orig
Entity
unknown
4
13
n/a
The ornamental design for an extension calling unit for telephone, as shown .

FIG. 1 is a front, top and left side perspective view of an extension calling unit for telephone, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

Yoneyama, Takahisa

Patent Priority Assignee Title
D421264, Jan 23 1998 Mitel Networks Corporation Telephone set
D465216, Jun 01 2001 AUXORA, INC Optical communications device housing portion
D591275, Dec 18 2006 Kabushiki Kaisha Toshiba Telephone line connection transponder
D591276, Dec 18 2006 Kabushiki Kaisha Toshiba Telephone line connection transponder
Patent Priority Assignee Title
3928732,
4394545, Mar 11 1980 Bell Telephone Laboratories, Incorporated Construction of a telephone instrument
D271394, Jan 21 1980 TIE/Communications, Inc. Direct station selection console
D271763, Jan 21 1980 TIE/Communications, Inc. Direct station selection console
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D312461, Dec 24 1988 Kabushiki Kaisha Toshiba Inter-call device for telephone sets
D315564, Jul 13 1989 Meisei Electric Co., Ltd. Direct station telephone selector
D317920, Jul 16 1990 EON COMMUNICATIONS CORPORATION Console for a telephone system
D321873, Mar 20 1990 Kabushiki Kaisha Toshiba Telephone
D328300, May 25 1990 Nitsuko Corporation Extension ringing console apparatus for telephone sets
D340057, Jun 22 1992 ROLM Company Add-on console for a telephone set
D374674, Jun 02 1995 SIEMENS ROLM COMMUNICATIONS INC Telephone key expansion unit
D375100, Apr 21 1995 Nitsuko Corporation Extension ringing console apparatus for a telephone set
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 20 1996YONEYAMA, TAKAHISAKabushiki Kaisha ToshibaASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0086550043 pdf
Oct 15 1996Kabushiki Kaisha Toshiba(assignment on the face of the patent)
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