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Publication numberUSD346376 S
Publication typeGrant
Application numberUS 07/953,598
Publication dateApr 26, 1994
Filing dateSep 30, 1992
Priority dateApr 1, 1992
Publication number07953598, 953598, US D346376 S, US D346376S, US-S-D346376, USD346376 S, USD346376S
InventorsKai-Uwe Marquardt, Ralf Sauer
Original AssigneeMarquardt Gmbh
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US D346376 S
Abstract  available in
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  1. The ornamental design for a keyboard, as shown and described.

FIG. 1 is a perspective view of a keyboard showing the new design, depicting the front, top and one side thereof;

FIG. 2 is a top plan view of the keyboard;

FIG. 3 is an elevation view, showing the front of the keyboard;

FIG. 4 is an elevation view, showing the rear of the keyboard;

FIG. 5 is an elevation view, showing one side of the keyboard;

FIG. 6 is an elevation view, showing the other side of the keyboard; and,

FIG. 7 is a bottom plan view of the keyboard.

Non-Patent Citations
1"Die ergonomische Tastatur. Konsequent in Richtung Zukunft gedacht"; (Marquardt); [Ergonomic Keyboard. Responsibly Conceived towards the Future]; 1987.
2"Ergonomische Tastaturgestaltung"; (Fraunhofer-Institut); [Ergonomic Keyboard Configuration]; undated.
3"Report"; (STR), Technische Zeitschrift der Standard Telephon und Radio AG, vol. 7, No. 1, Jun. 1986.
4"Schone Grusse vom Computer"; (Elektronic Praxis) [Best regards from the Computer]; Jan, 23rd, 1992.
5"The Boswell System"; (2 Seiten); Oct. 12th, 1991.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6443643 *Aug 4, 2000Sep 3, 2002MetamorfyxErgonomic keyboard
US6840690 *Oct 18, 2002Jan 11, 2005MetamorfyxErgonomic keyboard
US20060291946 *Jun 24, 2005Dec 28, 2006Microsoft CorporationErgonomic apparatus for keyboard
USRE43485Jul 2, 2009Jun 26, 2012Kinesis CorporationKeyboard
U.S. ClassificationD14/393