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Publication numberUSD640734 S1
Publication typeGrant
Application numberUS 29/345,606
Publication dateJun 28, 2011
Filing dateOct 19, 2009
Priority dateOct 19, 2009
Publication number29345606, 345606, US D640734 S1, US D640734S1, US-S1-D640734, USD640734 S1, USD640734S1
InventorsMarc Chase Weinstein, Yuji Fujimura
Original AssigneeMarc Chase Weinstein, Yuji Fujimura
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Ergo calculator
US D640734 S1
Abstract  available in
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  1. The ornamental design for an ergo calculator, as shown and described.

FIG. 1 is a perspective view of an ergo calculator showing our new design;

FIG. 2 shows a front elevation view thereof;

FIG. 3 shows a rear elevation view thereof;

FIG. 4 shows a left side elevation view thereof;

FIG. 5 shows bottom plan view thereof shown in larger scale; and,

FIG. 6 shows a top plan view thereof shown in larger scale.

The broken lines depict environmental structure only and form no part of the claimed design.

U.S. ClassificationD18/11