PTO
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Patent
D566751
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Priority
Mar 14 2007
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Filed
Mar 14 2007
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Issued
Apr 15 2008
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Expiry
Apr 15 2022
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Assg.orig
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Entity
unknown
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2
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8
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n/a
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I claim the ornamental design for a calculator, as shown and described.
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FIG. 1 is a perspective view of a calculator showing my new design.
FIG. 2 is a front view thereof, shown at a reduced scale;
FIG. 3 is a rear view thereof
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines depict environmental subject matter only and form no part of the claimed design.
Wang, Yang-Chun
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