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The ornamental design for calculator, as shown and described. |
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FIG. 1 is a perspective view of the calculator.
FIG. 2 is a top view thereof.
FIG. 3 is a bottom view thereof; and,
FIG. 4 is a right and left side view thereof.
The numerals appearing on the display screen are not part of the design.
| Patent | Priority | Assignee | Title |
| D468342, | Jun 19 2001 | PI-Design AG | Calculator |
| D484135, | Sep 19 2001 | Qualcomm Incorporated | Faceplate of a handheld computer |
| D717677, | Mar 14 2013 | Hanna Instruments, Inc. | Meter |
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jun 12 2000 | Pollyflame International B.V. | (assignment on the face of the patent) | / | |||
| Aug 25 2000 | CHAN, CHUK SHUN | POLLYFLAME INTERNATIONAL B V | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 011171 | /0523 |
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