Patent
   D542734
Priority
Nov 12 2003
Filed
May 05 2004
Issued
May 15 2007
Expiry
May 15 2021
Assg.orig
Entity
unknown
0
10
n/a
The ornamental design for “electrical transformers,” as shown and described.

FIG. 1 is a front view of a first embodiment of an electrical transformer;

FIG. 2 is a top view of said first embodiment of an electrical transformer;

FIG. 3 is a side view of said first embodiment of an electrical transformer;

FIG. 4 is a rear perspective view of said first embodiment of an electrical transformer;

FIG. 5 is a front perspective view of said first embodiment of an electrical transformer;

FIG. 6 is a front view of a second embodiment of an electrical transformer;

FIG. 7 is a top view of said second embodiment of an electrical transformer;

FIG. 8 is a side view of said second embodiment of an electrical transformer;

FIG. 9 is a rear perspective view of said second embodiment of an electrical transformer;

FIG. 10 is a front perspective view of said second embodiment of an electrical transformer;

FIG. 11 is a front view of a third embodiment of an electrical transformer;

FIG. 12 is a top view of said third embodiment of an electrical transformer;

FIG. 13 is a side view of said third embodiment of an electrical transformer;

FIG. 14 is a rear perspective view of said third embodiment of an electrical transformer;

FIG. 15 is a front perspective view of said third embodiment of an electrical transformer;

FIG. 16 is a front view of a fourth embodiment of an electrical transformer;

FIG. 17 is a top view of said fourth embodiment of an electrical transformer;

FIG. 18 is a side view of said fourth embodiment of an electrical transformer;

FIG. 19 is a rear perspective view of said fourth embodiment of an electrical transformer;

FIG. 20 is a front perspective view of said fourth embodiment of an electrical transformer;

FIG. 21 is a front view of a fifth embodiment of an electrical transformer;

FIG. 22 is a top view of said fifth embodiment of an electrical transformer;

FIG. 23 is a side view of said fifth embodiment of an electrical transformer;

FIG. 24 is a rear perspective view of said fifth embodiment of an electrical transformer;

FIG. 25 is a front perspective view of said fifth embodiment of an electrical transformer;

FIG. 26 is a front view of a sixth embodiment of an electrical transformer;

FIG. 27 is a top view of said sixth embodiment of an electrical transformer;

FIG. 28 is a side view of said sixth embodiment of an electrical transformer;

FIG. 29 is a rear perspective view of said sixth embodiment of an electrical transformer;

FIG. 30 is a front perspective view of said sixth embodiment of an electrical transformer;

FIG. 31 is a front view of a seventh embodiment of an electrical transformer;

FIG. 32 is a top view of said seventh embodiment of an electrical transformer;

FIG. 33 is a side view of said seventh embodiment of an electrical transformer;

FIG. 34 is a rear perspective view of said seventh embodiment of an electrical transformer; and,

FIG. 35 is a front perspective view of said seventh embodiment of an electrical transformer.

Thorsteinsson, Sigurdur, Stryken, Egil, Tinggren, Richard

Patent Priority Assignee Title
Patent Priority Assignee Title
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,
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
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 25 2002ABB T&D Technology LtdABB Technology AGCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0491050437 pdf
Mar 19 2002ABB T&D TECHNOLOGY, LTD ABB Technology ABCHANGE OF NAME SEE DOCUMENT FOR DETAILS 0152000391 pdf
Apr 05 2004THORSTEINSSON, SIGURDURABB T&D Technology LtdASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0146020727 pdf
Apr 20 2004STRYKEN, EGILABB T&D Technology LtdASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0146020727 pdf
Apr 20 2004TINGGREN, RICHARDABB T&D Technology LtdASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0146020727 pdf
May 05 2004ABB Technology AG(assignment on the face of the patent)
Jun 14 2016ABB Technology AGABB Schweiz AGMERGER SEE DOCUMENT FOR DETAILS 0492230792 pdf
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