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Publication numberUSD341134 S
Publication typeGrant
Application numberUS 07/757,433
Publication dateNov 9, 1993
Filing dateSep 10, 1991
Priority dateMar 13, 1991
Publication number07757433, 757433, US D341134 S, US D341134S, US-S-D341134, USD341134 S, USD341134S
InventorsKai-Uwe Marquardt, Ekkehard Sachs, Ralf Sauer
Original AssigneeMarquardt Gmbh
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US D341134 S
Abstract  available in
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  1. The ornamental design for a keyboard, as shown and described.

FIG. 1 is a front top and side perspective view of a keyboard showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a side elevational view thereof opposite that shown in FIG. 3;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a top plan view thereof.

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].
3"Report"; (STR), Technische Zeitschrift der Standard Telephon und Radio AG, vol. 7, No. 1, Jun. 1986.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6840690 *Oct 18, 2002Jan 11, 2005MetamorfyxErgonomic keyboard
USRE43485Jul 2, 2009Jun 26, 2012Kinesis CorporationKeyboard
U.S. ClassificationD14/393