User interface for an electronic trading system for a computer screen

The single FIGURE is a front view of a user interface for an electronic trading system for a computer screen.

The broken line showing of the computer screen is included for illustrative purposes only and forms no part of the claimed design.

The ornamental design for a user interface for an electronic trading system for a computer screen, as shown and described.

Number	Name	Date	Kind
5706458	Koppolu	Jan 1998	A
D402283	Anderson et al.	Dec 1998	S
6229542	Miller	May 2001	B1
6369841	Salomon et al.	Apr 2002	B1
D529919	Winjum et al.	Oct 2006	S
D530338	Winjum et al.	Oct 2006	S
7243083	Burns et al.	Jul 2007	B2
D548743	Takahashi et al.	Aug 2007	S
7269793	Horsfall et al.	Sep 2007	B2
D555659	Noviello et al.	Nov 2007	S
20020026404	Thompson	Feb 2002	A1
20020035534	Buist et al.	Mar 2002	A1
20020038279	Samuelson et al.	Mar 2002	A1
20020128955	Brady et al.	Sep 2002	A1
20020138399	Hayes et al.	Sep 2002	A1
20020138400	Kitchen et al.	Sep 2002	A1
20020161690	McCarthy et al.	Oct 2002	A1
20020198815	Greifeld et al.	Dec 2002	A1
20030004852	Burns	Jan 2003	A1
20030018569	Eisenthal et al.	Jan 2003	A1
20030046219	Rosedale et al.	Mar 2003	A1
20030083973	Horsfall	May 2003	A1
20030083976	McLister	May 2003	A1
20030093363	Horsfall et al.	May 2003	A1
20030149654	Harrington et al.	Aug 2003	A1
20030182206	Hendrix et al.	Sep 2003	A1
20030200167	Kemp et al.	Oct 2003	A1
20030225652	Minow et al.	Dec 2003	A1
20030229571	May	Dec 2003	A1
20030233307	Salvadori et al.	Dec 2003	A1
20030233309	Matus et al.	Dec 2003	A1
20030236737	Kemp et al.	Dec 2003	A1
20040015430	May	Jan 2004	A1
20040015431	May	Jan 2004	A1
20040030634	Satow et al.	Feb 2004	A1
20040030635	Marigliano	Feb 2004	A1
20040054614	Tell et al.	Mar 2004	A1
20040078310	Shaffer	Apr 2004	A1
20040078317	Allen et al.	Apr 2004	A1
20050192887	Triplett	Sep 2005	A1

	Number	Date	Country
Parent	29229351	May 2005	US
Child	29277251		US