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Publication numberUSD538281 S1
Publication typeGrant
Application numberUS 29/223,189
Publication dateMar 13, 2007
Filing dateFeb 9, 2005
Priority dateMar 6, 2003
Also published asUSD502180
Publication number223189, 29223189, US D538281 S1, US D538281S1, US-S1-D538281, USD538281 S1, USD538281S1
InventorsThom Gambaro
Original AssigneeThom Gambaro
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Two-thumb keyboard device
US D538281 S1
Abstract  available in
Images(6)
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Claims(1)
  1. I claim the ornamental design for a two-thumb keyboard device, as shown and described.
Description

FIG. 1 is an isometric view of a two-thumb keyboard device;

FIG. 2 is a bottom isometric view of the two-thumb keyboard device of FIG. 1 showing the keys arranged for use by the digits of the hands for data entry;

FIG. 3 is a top view of the two-thumb keyboard device of FIG. 1 and FIG. 2 showing the left and right thumb keyboard portions;

FIG. 4 is a bottom view of the two-thumb keyboard device of FIG. 1 and FIG. 2 showing the keys arranged for use by the first and second digits of the left and right hands for data entry;

FIG. 5 is a top end view of the two-thumb keyboard device of FIG. 1 and FIG. 2;

FIG. 6 is a left side view of the two-thumb keyboard device of FIG. 1 and FIG. 2;

FIG. 7 is a right side view of the two-thumb keyboard device of FIG. 1 and FIG. 2; and,

FIG. 8 is a bottom end view of the two-thumb keyboard device of FIG. 1 and FIG. 2.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8319669Oct 13, 2009Nov 27, 2012Jeffrey C WellerText entry device with radial keypad layout
US8717200Jun 21, 2012May 6, 2014Jeffrey C WellerText entry device with radial keypad layout
US20100271241 *Oct 13, 2009Oct 28, 2010Weller Jeffrey CText entry device with radial keypad layout
USD759025 *Feb 19, 2013Jun 14, 2016Francisco Javier Hinojosa De LeonErgonomic keypad
Classifications
U.S. ClassificationD14/391