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The ornamental design for an electronic calculator, as shown and described. |
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FIG. 1 is a top plan view of an electronic calculator showing our new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right side elevational view, the left side elevational view being a mirror image thereof; and
FIG. 6 is a right side elevational view thereof with the leg extended.
Yubisui, Takahisa, Sakaguchi, Hiroshi, Takahashi, Toshiya
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| D450342, | Feb 02 2000 | Hopestar Electronics Limited | Combination calculator and calendar |
| D652070, | Jul 15 2010 | Sharp Kabushiki Kaisha | Electronic calculator |
| Patent | Priority | Assignee | Title |
| D277681, | Mar 24 1982 | Sharp Corporation | Calculator |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Apr 17 1986 | YUBISUI, TAKAHISA | SHARP KABUSHIKI KAISHA, A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004571 | /0329 | |
| Apr 17 1986 | SAKAGUCHI, HIROSHI | SHARP KABUSHIKI KAISHA, A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004571 | /0329 | |
| Apr 17 1986 | TAKAHASHI, TOSHIYA | SHARP KABUSHIKI KAISHA, A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004571 | /0329 | |
| Apr 29 1986 | Sharp Corporation | (assignment on the face of the patent) | / |
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