Patent
   D594408
Priority
Nov 12 2003
Filed
Apr 29 2008
Issued
Jun 16 2009
Expiry
Jun 16 2023
Assg.orig
Entity
unknown
0
13
n/a
The ornamental design for an electrical transformer, as shown and described.

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

FIG. 2 is a top view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a perspective view thereof;

FIG. 5 is a front view of a second embodiment thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a side view thereof;

FIG. 8 is a perspective view thereof;

FIG. 9 is a front view of a third embodiment thereof;

FIG. 10 is a top view thereof;

FIG. 11 is a side view thereof; and,

FIG. 12 is a perspective view thereof.

Thorsteinsson, Sigurdur, Stryken, Egil, Tinggren, Richard

Patent Priority Assignee Title
Patent Priority Assignee Title
2325470,
2947957,
3479563,
4027279, Jul 21 1975 Device for attaching leads to a transformer or the like
6185811, Sep 06 1996 Hammond Manufacturing Company Method for making a transformer
188248,
188249,
202045,
D254846, Jun 06 1978 General Electric Company Electrical transformer or similar article
D257342, Dec 11 1978 Electrical transformer
D259040, Apr 27 1978 General Electric Company Vaporization cooled transformer or similar article
D290456, Dec 27 1983 Marelco Power Systems, Inc. Transformer
D348868, Apr 26 1993 Top Gulf Coast Corporation Electrical transformer
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Apr 29 2008ABB 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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