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Publication numberUSD309749 S
Publication typeGrant
Application numberUS 07/111,555
Publication dateAug 7, 1990
Filing dateOct 16, 1987
Priority dateMay 19, 1987
Publication number07111555, 111555, US D309749 S, US D309749S, US-S-D309749, USD309749 S, USD309749S
InventorsYukinori Ido
Original AssigneeCasio Computer Co., Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Electronic calculator
US D309749 S
Abstract  available in
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  1. The ornamental design for an electronic calculator, as shown and described.

FIG. 1 is a top plan view of an electronic calculator showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a bottom plan view thereof the front cover being open; and

FIG. 7 is a perspective view thereof; and

FIG. 8 is a front perspective view thereof in an open position.

Non-Patent Citations
1Radio Shack; p. 167; upper left corner, PC-6, Pocket Computer Examers Office.
2The Sharper Image; Sep. 1985; p. 42, lower left corner; Data Bank by Casio.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6490605 *Feb 26, 1997Dec 3, 2002Guihua WangType of easy-to-use electronic calculator
U.S. ClassificationD18/7