Patent
   D666146
Priority
Nov 12 2003
Filed
Mar 02 2012
Issued
Aug 28 2012
Expiry
Aug 28 2026
Assg.orig
Entity
unknown
0
29
n/a
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.

Thorsteinsson, Sigurdur, Stryken, Egil, Tinggren, Richard

Patent Priority Assignee Title
Patent Priority Assignee Title
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D526273, Dec 13 2004 ABB Schweiz AG Transformer
D644605, Mar 25 2011 ABB Schweiz AG Transformer
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Mar 02 2012ABB Technology AG(assignment on the face of the patent)
May 09 2016ABB Technology LtdABB Schweiz AGMERGER SEE DOCUMENT FOR DETAILS 0406210633 pdf
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