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The ornamental design for a call button indicator and wall plate for elevators, as shown and described. |
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FIG. 1 is a front elevational view of a call button indicator and wall plate for elevators showing our new design, with the broken lines showing environment only and forming no part of the claimed design;
FIG. 2 is a left side elevational view thereof, with the right side being a mirror image;
FIG. 3 is a top plan view thereof with the bottom being a mirror image; and
FIG. 4 is a perspective view thereof.
The broken lines shown in the drawings illustrate the wall environment on which the article is mounted and are not a part of the design.
Polacek, Richard R., Youla, Jean
| Patent | Priority | Assignee | Title |
| 3237591, | |||
| 121273, | |||
| 185631, | |||
| 186225, | |||
| 197278, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 21 1989 | POLACEK, RICHARD R | OTIS ELEVATOR COMPANY, A CORP OF NJ | ASSIGNMENT OF ASSIGNORS INTEREST | 005071 | /0559 | |
| Apr 21 1989 | YOULA, JEAN | OTIS ELEVATOR COMPANY, A CORP OF NJ | ASSIGNMENT OF ASSIGNORS INTEREST | 005071 | /0559 | |
| May 04 1989 | Otis Elevator Company | (assignment on the face of the patent) | / |
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