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Publication numberUSD317931 S
Publication typeGrant
Application numberUS 07/332,943
Publication dateJul 2, 1991
Filing dateApr 3, 1989
Priority dateDec 22, 1988
Publication number07332943, 332943, US D317931 S, US D317931S, US-S-D317931, USD317931 S, USD317931S
InventorsMasaki Koide, Yumiko Ohashi
Original AssigneeCasio Computer Co., Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Electronic musical keyboard
US D317931 S
Abstract  available in
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  1. The ornamental design for an electronic musical keyboard, as shown.

FIG. 1 is a top plan view of an electronic musical keyboard showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof.

Non-Patent Citations
1Evans Catalog, 1987-1988, p. 311 (Casio Keyboard, Item 1).
2HFD, 8/24/87, p. 48 (Casio SK-2100 Keyboard).
U.S. ClassificationD17/1