Patent
   D381017
Priority
Jun 02 1995
Filed
Jun 02 1995
Issued
Jul 15 1997
Expiry
Jul 15 2011
Assg.orig
Entity
unknown
9
6
n/a
The ornamental design for an ergonomic eight key chord keyboard, as shown and described.

FIG. 1 is a top plan view of an ergonomic eight key chord keyboard showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side elevational view thereof, with the left side elevational view being a mirror image thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a perspective view thereof.

The broken line showing of human hands is for illustrative purposes only and forms no part of the claimed design.

Burrell, IV, James W.

Patent Priority Assignee Title
6059470, Apr 01 1996 Adjustable, curved keyboard
6789967, Feb 02 2001 Distal chording keyboard
6802662, Jul 31 2003 Non-linear ergonomic keyboard
7724157, Jan 05 2007 Keyboard
8884790, Mar 03 2010 Twitch Technologies LLC Matrix keyboarding system
9342241, Mar 03 2010 Twitch Technologies LLC Matrix keyboarding system
D456408, Jul 21 2000 Three dimensional input device
D475050, Sep 04 2001 DSM Computer AG Computer data input device
D481733, Aug 27 2002 EJT TECHNOLOGIES INC Hand held keyboard
Patent Priority Assignee Title
5486085, Sep 21 1992 Bladed vehicle with load gripping arms
5493654, Jun 28 1991 Infogrip, Inc. Chordic keyboard system for generating a signal in response to a chord that is assigned using a correlation based on a composite chord-difficulty index
D346376, Apr 01 1992 Marquardt GmbH Keyboard
D362432, Jun 25 1993 Microsoft Corporation Keyboard
D370669, Mar 30 1993 Kinesis Corporation Keyboard
JP6222129,
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