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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; and
FIG. 5 is a left side elevational view thereof, the right side elevational view being identical.
Sakata, Keiji, Yamagami, Masafumi
| Patent | Priority | Assignee | Title |
| D284200, | Sep 14 1983 | Sharp Corporation | Calculator |
| D285933, | Jun 01 1984 | Canon Kabushiki Kaisha | Desk-top electronic calculator |
| D285934, | Jun 01 1984 | Canon Kabushiki Kaisha | Desk-top electronic calculator |
| D287139, | Nov 04 1983 | Sharp Corporation | Calculator |
| D294152, | Nov 18 1985 | Aurora Mechatronics Corp. | Calculator |
| Patent | Priority | Assignee | Title |
| D256696, | May 09 1978 | Sharp Kabushiki Kaisha | Electronic calculating machine |
| D268346, | Jul 03 1980 | Sharp Corporation | Electronic calculator |
| D269277, | Apr 03 1981 | Canon Kabushiki Kaisha | Desk-top electronic calculator |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 14 1982 | YAMAGAMI, MASAFUMI | SHARP KABUSHIKI KAISHA SHARP CORPORATION IN ENGLISH , A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004082 | /0723 | |
| Jun 14 1982 | SAKATA, KEIJI | SHARP KABUSHIKI KAISHA SHARP CORPORATION IN ENGLISH , A CORP OF JAPAN | ASSIGNMENT OF ASSIGNORS INTEREST | 004082 | /0723 | |
| Jun 18 1984 | Sharp Corporation | (assignment on the face of the patent) | / |
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