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Publication numberUSD656460 S1
Publication typeGrant
Application numberUS 29/385,962
Publication dateMar 27, 2012
Filing dateFeb 23, 2011
Priority dateNov 12, 2003
Also published asUSD542734, USD547267, USD594408, USD613687, USD622214, USD635091, USD666146, USD674341
Publication number29385962, 385962, US D656460 S1, US D656460S1, US-S1-D656460, USD656460 S1, USD656460S1
InventorsSigurdur Thorsteinsson, Egil Stryken, Richard Tinggren
Original AssigneeAbb Technology Ag
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Electrical transformer
US D656460 S1
Abstract  available in
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  1. The ornamental design for an electrical transformer, as shown and described.

This application is also related to U.S. application Ser. No. 29/275,260, filed Dec. 19, 2006 (now Pat. No. D547,267).

FIG. 1 is a front elevation view of an electrical transformer showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevation view thereof; and,

FIG. 4 is a perspective view thereof.

Non-Patent Citations
1ABB Inc., Power Transformers, 2003, 11 pgs.
2ASA Trafobau GmbH, 24 pgs.óDate unknown.
3Koncar-Distributivni i Specijalni Transformatori d.d., Power Transformers (3,2) V 01, 8 pgs.óDate unknown.
4MF Transformatori srl, Oil Filled Transformer, 14 pgs., Date unknown.
5SGB Starkstrom and SMIT Transformers, Partners in Power, 6 pgs.óDate unknown.
U.S. ClassificationD13/110