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The ornamental design for a push-button matrix, as shown and described. |
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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.
| 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 |
| 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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