Patent
   D341134
Priority
Mar 13 1991
Filed
Sep 10 1991
Issued
Nov 09 1993
Expiry
Nov 09 2007
Assg.orig
Entity
unknown
19
7
n/a
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.

Sauer, Ralf, Marquardt, Kai-Uwe, Sachs, Ekkehard

Patent Priority Assignee Title
5689253, Apr 10 1991 Kinesis Corporation Ergonomic keyboard apparatus
6840690, May 19 1992 Metamorfyx Ergonomic keyboard
D348877, Aug 04 1992 Maximum comfort keyboard
D354279, Feb 16 1993 Keyboard
D357911, Feb 16 1993 Microsoft Corporation Computer keyboard
D361562, Jan 12 1993 Renaissance Research Incorporated Keyboard housing
D362432, Jun 25 1993 Microsoft Corporation Keyboard
D365552, Mar 04 1993 Marquardt GmbH Keyboard
D370669, Mar 30 1993 Kinesis Corporation Keyboard
D381016, Jun 25 1993 Microsoft Corporation Palm rest portion for a keyboard
D387340, Jul 10 1995 Ergonomic keyboard
D475051, Mar 28 2001 Computer keyboard
D482037, Mar 06 2002 Computer keyboard
D492309, May 15 2002 Computer keyboard
D500318, Dec 16 2003 Computer keyboard
D583375, Jan 26 2007 Computer keyboard
D585063, Nov 27 2007 Kinesis Corporation Keyboard
D894184, May 18 2018 COMPAL INFORMATION (KUNSHAN) CO., LTD Keyboard
RE43485, Nov 27 2007 Kinesis Corporation Keyboard
Patent Priority Assignee Title
D317595, Apr 28 1988 Casio Computer Co., Ltd. Keyboard for data processing system
D323817, Jul 18 1989 Krone AG Computer terminal with ergonomic alphanumeric keyboard
DE1255117,
DE2218065,
DE2577708,
EP55220,
WO20620,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 10 1991Marquardt GmbH(assignment on the face of the patent)
Oct 10 1991MARQUARDT, KAI-UWEMarquardt GmbHASSIGNMENT OF ASSIGNORS INTEREST 0059150214 pdf
Oct 10 1991SACHS, EKKEHARDMarquardt GmbHASSIGNMENT OF ASSIGNORS INTEREST 0059150214 pdf
Oct 10 1991SAUER, RALFMarquardt GmbHASSIGNMENT OF ASSIGNORS INTEREST 0059150214 pdf
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