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Patent
   D558728
Priority
Dec 24 2004
Filed
Jun 23 2005
Issued
Jan 01 2008
Expiry
Jan 01 2022
Inventors
Murakami, …
Assg.orig
Matsushita…
MATSUSHITA…
Assg.curr
Matsushita…
MATSUSHITA…
Entity
unknown
Referenced by
6
References
7
Maint.:
n/a
I claim the ornamental design for a speaker phone, as shown and described.

FIG. 1 is a top view of a speaker phone of the present invention.

The ornamental design which is claimed is shown in solid lines in the drawings. Any broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.
INVENTORS:

Murakami, Shinzou

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D570820, Sep 05 2006 Matsushita Electric Industrial Co., Ltd. Speakerphone
D714249, Mar 12 2013 REVOLABS Speakerphone
D715858, Aug 07 2013 LOTEC ENTERPRISES Educational graph device
D725624, Jan 27 2014 RevoLabs, Inc Speakerphone
D755891, Jun 27 2014 Educational graph device
D846524, Jun 03 2017 COMPAL ELECTRONICS, INC Intelligent conference device
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
6016346, Oct 21 1997 Hewlett Packard Enterprise Development LP Low-profile speakerphone with downward oriented microphone configuration
D307274, Apr 27 1988 NEC Corporation Audio teleconference equipment with acoustic echo canceller
D342732, Jun 23 1992 Polycom, Inc. Speaker phone
D384672, Jul 01 1996 Hayes Microcomputer Products, Inc.; HAYES MICROCOMPUTER PRODUCTS, INC Modem
D406841, Jan 02 1997 Applicom, Inc. Conference telephone
D481371, Nov 15 2002 E-Lead Electronic Co., Ltd. Conference speakerphone
D488794, May 21 2003 E-Lead Electronic Co., Ltd. Conference speakerphone
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 23 2005Matsushita Electric Industrial Co., Ltd.(assignment on the face of the patent)
Jun 23 2005MURAKAMI, SHINZOUMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0167300756 pdf
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