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Publication numberUSD635091 S1
Publication typeGrant
Application numberUS 29/366,251
Publication dateMar 29, 2011
Filing dateJul 22, 2010
Priority dateNov 12, 2003
Also published asUSD542734, USD547267, USD594408, USD613687, USD622214, USD656460, USD666146, USD674341
Publication number29366251, 366251, US D635091 S1, US D635091S1, US-S1-D635091, USD635091 S1, USD635091S1
InventorsSigurdur Thorsteinsson, Egil Stryken, Richard Tinggren
Original AssigneeAbb Technology Ag
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Electrical transformer
US D635091 S1
Abstract  available in
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  1. The ornamental design for an electrical transformer, as shown and described.

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.—Date unknown.
3Koncar-Distributivni i Specijalni Transformatori d.d., Power Transformers (3,2) V 01, 8 pgs.—Date unknown.
4MF Transformatori srl, Oil Filled Transformer, 14 pgs., Date unknown.
5SGB Starkstrom and SMIT Transformers, Partners in Power, 6 pgs.—Date unknown.
U.S. ClassificationD13/110