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The ornamental design for a calculator, as shown and described. |
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FIG. 1 is a left, front and top perspective view of a calculator showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a front elevational view thereof.
Krause, Klaus-Diether, Stolzenberger, Florian
| Patent | Priority | Assignee | Title |
| Patent | Priority | Assignee | Title |
| D258664, | Apr 14 1978 | Ing. C. Olivetti & C., S.p.A. | Desk top calculator |
| D258827, | Nov 13 1978 | Texas Instruments Incorporated | Case for printing calculator or the like |
| D269276, | Dec 24 1980 | Sharp Corporation | Electronic calculator |
| D269780, | Apr 02 1979 | U.S. Philips Corporation | Intercom speaker and receiver |
| D282376, | Apr 06 1983 | Canon Kabushiki Kaisha | Desk-top electronic calculator |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 14 1990 | KRAUSE, KLAUS-DIETHER | TA Triumph-Adler | ASSIGNMENT OF ASSIGNORS INTEREST | 005481 | /0235 | |
| Sep 14 1990 | STOLZENBERGER, FLORIAN | TA Triumph-Adler | ASSIGNMENT OF ASSIGNORS INTEREST | 005481 | /0235 | |
| Sep 25 1990 | TA Triumph-Adler | (assignment on the face of the patent) | / |
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