Keyboard

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top plan view of a keyboard in accordance with the present invention;

FIG. 2 is a front elevational view of the keyboard of FIG. 1;

FIG. 3 is a rear elevational view of the keyboard of FIG. 1;

FIG. 4 is a first side elevational view of the keyboard of FIG. 1; and,

FIG. 5 is a second side elevational view of the keyboard of FIG. 1.

The broken lines showing of environment forms no part of the claimed design.

Claims

The ornamental design for a keyboard, as shown and described.

Referenced Cited
U.S. Patent Documents
D310820 September 25, 1990 Watson et al.
D321215 October 29, 1991 Shamis
D348065 June 21, 1994 Madill et al.
D348435 July 5, 1994 Farinelli et al.
D359737 June 27, 1995 Madill et al.
D364860 December 5, 1995 Giebler et al.
D370663 June 11, 1996 Swain et al.
D371550 July 9, 1996 Tomkowicz
D380737 July 8, 1997 Weir et al.
D388769 January 6, 1998 Pritchard et al.
5760824 June 2, 1998 Hicks, III
6162059 December 19, 2000 Murphy et al.
D436579 January 23, 2001 Mayo et al.
D451482 December 4, 2001 Vanderheiden et al.
6624803 September 23, 2003 Vanderheiden et al.
D496645 September 28, 2004 Yoo et al.
D507244 July 12, 2005 Mayo et al.
D510074 September 27, 2005 Larson et al.
D517999 March 28, 2006 Merritt et al.
D535627 January 23, 2007 Merritt et al.
D538756 March 20, 2007 Mayo et al.
D542226 May 8, 2007 Spira
D543159 May 22, 2007 Merritt et al.
D547743 July 31, 2007 Kim et al.
D549183 August 21, 2007 Hewson et al.
D554073 October 30, 2007 Mayo et al.
D558277 December 25, 2007 Luciano et al.
D576566 September 9, 2008 Wu et al.
D602458 October 20, 2009 Fasching
D603865 November 10, 2009 Jordan et al.
D613746 April 13, 2010 Jordan et al.
20030058139 March 27, 2003 Sakurai
Foreign Patent Documents
000154042-0001 June 2004 EM
Patent History
Patent number: D633506
Type: Grant
Filed: Mar 26, 2010
Date of Patent: Mar 1, 2011
Assignee: Wisconsin Alumni Research Foundation (Madison, WI)
Inventors: J. Bern Jordan (Madison, WI), Gregg C. Vanderheiden (Madison, WI), David P. Kelso (Madison, WI)
Primary Examiner: Angela J Lee
Attorney: Boyle Fredrickson, S.C.
Application Number: 29/358,434
Classifications
Current U.S. Class: Keyboard Or Keypad (D14/455)