Patent
   D374674
Priority
Jun 02 1995
Filed
Jun 02 1995
Issued
Oct 15 1996
Expiry
Oct 15 2010
Assg.orig
Entity
unknown
19
10
n/a
The ornamental design for a telephone key expansion unit, as shown and described.

FIG. 1 is a perspective view of the telephone key expansion unit of the present invention;

FIG. 2 is a top view;

FIG. 3 is a front elevational view;

FIG. 4 is a right-side elevational view;

FIG. 5 is a left-side elevational view;

FIG. 6 is a rear elevational view; and,

FIG. 7 is a bottom view.

The broken lines showing of a telephone in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.

McKinnon, Wayne E., Bryant, David E., Kingsbury, Mary E., Elkins, Erich C., Erwin, Doug A., McRight, William C.

Patent Priority Assignee Title
D388102, Apr 16 1996 Kabushiki Kaisha Toshiba Function extended unit for a telephone
D389156, Apr 16 1996 Kabushiki Kaisha Toshiba Extension calling unit for telephone
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D455727, Oct 27 2000 UNIFY GMBH & CO KG Telephone station
D470136, Mar 21 2001 TELEFONAKTIEBOLAGET LM ERICSSON PUBL Desk stand
D472236, Jan 04 2002 AVAYA Inc Telephone
D482679, Oct 27 2000 UNIFY GMBH & CO KG Detachable auxiliary device having programmable keys
D483750, Nov 25 2002 Wilmington Trust FSB Telephone dialing accessory
D591275, Dec 18 2006 Kabushiki Kaisha Toshiba Telephone line connection transponder
D591276, Dec 18 2006 Kabushiki Kaisha Toshiba Telephone line connection transponder
D609212, Nov 23 2007 AVAYA LLC Telephone set
D634295, Nov 23 2007 AVAYA LLC Key extension module for telephone
D723501, Jul 19 2013 SAMSUNG ELECTRONICS CO , LTD Add on module for telephone
D739373, Oct 05 2012 UNIFY PATENTE GMBH & CO KG Telephone intercom system
D789319, Feb 27 2015 Unify GmbH & Co. KG Key module
D789320, Feb 27 2015 Unify GmbH & Co. KG Key module for telephone
D853346, Aug 16 2017 Samsung Electronics Co., Ltd. Add-on module for a telephone
D970462, Jul 02 2020 HEWLETT-PACKARD DEVELOPMENT COMPANY, L P Desk phone expansion module
D986205, Jul 02 2020 HEWLETT-PACKARD DEVELOPMENT COMPANY, L P Desk phone expansion module
Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 02 1995Siemens Rolm Communications Inc.(assignment on the face of the patent)
Oct 23 1995ELKINS, ERICH C SIEMENS ROLM COMMUNICATIONS INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0077390200 pdf
Nov 02 1995MCKINNON, WAYNE E SIEMENS ROLM COMMUNICATIONS INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0077390200 pdf
Nov 02 1995BRYANT, DAVID E SIEMENS ROLM COMMUNICATIONS INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0077390200 pdf
Nov 02 1995ERWIN, DOUG A SIEMENS ROLM COMMUNICATIONS INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0077390200 pdf
Nov 02 1995MCRIGHT, WILLIAM C SIEMENS ROLM COMMUNICATIONS INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0077390200 pdf
Nov 06 1995KINGSBURY, MARY E SIEMENS ROLM COMMUNICATIONS INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0077390200 pdf
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