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Publication numberUSD357911 S
Publication typeGrant
Application numberUS 29/022,402
Publication dateMay 2, 1995
Filing dateMay 4, 1994
Publication number022402, 29022402, US D357911 S, US D357911S, US-S-D357911, USD357911 S, USD357911S
InventorsAlan H. Grant, Eugene A. Helmetsie
Original AssigneeErgonomics, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Computer keyboard
US D357911 S
Abstract  available in
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  1. The ornamental design for a computer keyboard, as shown and described.

FIG. 1 is a top plan view showing our new design for a computer keyboard with the broken lines being shown for illustrtive purposes only and forming no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right-hand side elevational view thereof;

FIG. 6 is a left-hand side elevational view thereof;

FIG. 7 is a right-hand side elevational view of the keyboard raised at the front;

FIG. 8 is a right-hand side elevational view of the keyboard raised at the rear;

FIG. 9 is a raised front elevational view thereof; and,

FIG. 10 is a raised rear elevational view thereof.

Non-Patent Citations
1"Studies on Ergonomically Designed Alphanumeric Keyboards", Nakaseko, M., et al. Human Factors, Apr. 1985, pp. 175-187.
2Alan H. Grant, Homo Quintadus and Computers, Optometry & Vision Science, vol. 67, No. 4, pp. 297-305, Sep. 1989.
3Alan H. Grant, The Computer Syndrome, Journal of the American Optometric Association, vol. 58, No. 11, Nov. 1987.
4Ergonomische Tastaturgestartung from Fraunhofer Institut Design for an Ergonomic Keyboard Jan. 5, 1993.
5IBM Technical Disclosure Bulletin, Mapping the Computer 83-Keyboard to 62-Key Keyboard, vol. 27, No. 4B, Sep. 1984, pp. 2717 and 2718.
6Popular Science, "What's New", p. 10, Sep. 1990.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7294799Oct 13, 2005Nov 13, 2007Ikey, Ltd.Smooth keyboard with low key height
US7324019Jan 3, 2001Jan 29, 2008Levenson David JAdjustable ergonomic keyboard for use with stationary palm and elements thereof
US20060291946 *Jun 24, 2005Dec 28, 2006Microsoft CorporationErgonomic apparatus for keyboard
US20070084704 *Oct 13, 2005Apr 19, 2007Ikey, Ltd.Smooth keyboard with low key height
U.S. ClassificationD14/393