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The ornamental design for a calculator, as shown and described. |
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FIG. 1 is a perspective view of the calculator.
FIG. 2 is a front view thereof.
FIG. 3 is a back view thereof.
FIG. 4 is a top view thereof.
FIG. 5 is a bottom view thereof.
FIG. 6 is a open perspective view thereof; and,
FIG. 7 is a bottom open perspective view thereof.
| Patent | Priority | Assignee | Title |
| D563756, | Sep 08 2006 | Calibre International, LLC | Combination calculator letter opener |
| Patent | Priority | Assignee | Title |
| D333831, | Jul 01 1991 | Datel Electrocraft Corp. | Calculator |
| D337603, | May 27 1992 | Data Electrocraft Corp. | Calculator |
| D351614, | Jan 05 1993 | Pollyflame International B.V. | Calculator |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 21 1999 | Pollyflame International B.V. | (assignment on the face of the patent) | / | |||
| Dec 20 1999 | CHAN, CHUK SHUN | POLLYFLAME INTERNATIONAL B V | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010612 | /0241 |
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