Patent
   D439244
Priority
Dec 14 1999
Filed
Dec 14 1999
Issued
Mar 20 2001
Expiry
Mar 20 2015
Assg.orig
Entity
unknown
5
4
n/a
The ornamental design for a push-button matrix, as shown and described.

FIG. 1 is a front elevational view of a first embodiment thereof;

FIG. 2 is a left side elevational view of a first embodiment thereof;

FIG. 3 is a right side elevational view of a first embodiment thereof;

FIG. 4 is a top plan view of a first embodiment thereof;

FIG. 5 is a bottom plan view of a first embodiment thereof;

FIG. 6 is a front elevational view of a second embodiment thereof;

FIG. 7 is a left side elevational view of a second embodiment thereof;

FIG. 8 is a right side elevational view of a second embodiment thereof;

FIG. 9 is a top plan view of a second embodiment thereof; and,

FIG. 10 is a bottom plan view of a second embodiment thereof.

The broken line showings of FIGS. 1-10 are for illustrative purposes only and form no part of the claimed design.

Conley, W. David

Patent Priority Assignee Title
D458237, Jul 24 2001 Sony Corporation Monitor television receiver
D589831, Apr 17 2008 Inventio AG Operating/display panel
D663638, May 16 2011 Otis Elevator Company Elevator passenger interface
D665686, May 16 2011 Otis Elevator Company Elevator passenger interface
D665687, May 16 2011 Otis Elevator Company Elevator indicator
Patent Priority Assignee Title
4386245, Jun 11 1981 Hosiden Electronics Co., Ltd. Normally-closed switching means with over-stroke compensation
237802,
D364170, Feb 07 1994 Telephone keypad
D403683, Nov 20 1996 BELLSOUTH INTELLECTUAL PROPERTY GROUP, INC ; Bellsouth Intellectual Property Corporation Push-button matrix
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 14 1999Bellsouth Intellectual Property Management Corporation(assignment on the face of the patent)
Apr 28 2000CONLEY, W DAVIDBellsouth Intellectual Property Management CorporationASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0107940982 pdf
Apr 28 2000CONLEY, W DAVIDBellsouth Intellectual Property CorporationCORRECTED RECORDATION FORM COVER SHEET TO CORRECT ASSIGNEE ASSIGNOR PREVIOUSLY RECORDED AT REEL FRAME 101794 0982 ASSIGNMENT OF ASSIGNOR S INTEREST 0124350476 pdf
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