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The ornamental design for a case for an electronic calculator, substantially as shown and described. |
FIG. 1 is a view in perspective of a case for an electronic calculator showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view of a case for a hand-held calculator showing a modified form of our new design;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevational view thereof, the right side being a mirror image and the front being the same as FIG. 2;
FIG. 7 is a left side elevational view of the first embodiment.
Ichikawa, Shinpei, Welch, Robert A.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 12 1978 | Texas Instruments Incorporated | (assignment on the face of the patent) | / |
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