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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 my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a right side elevational view thereof, the left hand elevational view being a mirror image;
FIG. 4 is a front elevational view thereof; and
FIG. 5 is a rear elevational view thereof.
| Patent | Priority | Assignee | Title |
| D317777, | Dec 15 1987 | Sharp Corporation | Electronic calculator |
| D652070, | Jul 15 2010 | Sharp Kabushiki Kaisha | Electronic calculator |
| D911433, | Jan 09 2019 | FOSHAN CITY NANHAI HUISEN PLEXIGLASS CRAFTS CO., LTD | Calculator |
| D941387, | Feb 02 2019 | FOSHAN CITY NANHAI HUISEN PLEXIGLASS CRAFTS CO., LTD | Calculator |
| Patent | Priority | Assignee | Title |
| 229065, | |||
| D251330, | Feb 17 1977 | Matsushita Electric Industrial Co., Ltd. | Combined calculator, clock and alarm |
| D263150, | Aug 31 1979 | Canon Kabushiki Kaisha | Desk top electronic calculator |
| D263151, | Sep 04 1979 | Canon Kabushiki Kaisha | Desk top electronic calculator |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 01 1981 | SAKATA, KEIJI | SHARP KABUSHIKI KAISHA TO BE REPRESENTED AS SHARP CORPORATION IN ENGLISH | ASSIGNMENT OF ASSIGNORS INTEREST | 003900 | /0677 | |
| Jul 10 1981 | Sharp Corporation | (assignment on the face of the patent) | / |
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