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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.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Dec 14 1999 | Bellsouth Intellectual Property Management Corporation | (assignment on the face of the patent) | / | |||
Apr 28 2000 | CONLEY, W DAVID | Bellsouth Intellectual Property Management Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010794 | /0982 | |
Apr 28 2000 | CONLEY, W DAVID | Bellsouth Intellectual Property Corporation | CORRECTED RECORDATION FORM COVER SHEET TO CORRECT ASSIGNEE ASSIGNOR PREVIOUSLY RECORDED AT REEL FRAME 101794 0982 ASSIGNMENT OF ASSIGNOR S INTEREST | 012435 | /0476 |
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