Patent
   D547267
Priority
Nov 12 2003
Filed
Dec 19 2006
Issued
Jul 24 2007
Expiry
Jul 24 2021
Assg.orig
Entity
unknown
5
14
n/a
The ornamental design for an electrical transformer, as shown and described.

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

FIG. 2 is a side view of said electrical transformer;

FIG. 3 is a top view of said electrical transformer; and,

FIG. 4 is a perspective view of said electrical transformer.

Thorsteinsson, Sigurdur, Stryken, Egil, Tinggren, Richard

Patent Priority Assignee Title
D664923, Oct 03 2011 UNIVERSAL POWER GROUP, INC Side panel for a power cell
D862386, Sep 30 2016 SIEMENS ENERGY GLOBAL GMBH & CO KG Transformer
D904362, Feb 25 2019 Dell Products L.P. Information handling system IoT gateway
D918882, Aug 23 2018 Siemens Canada Limited Network switch
D978820, Aug 21 2020 Inseego Corp. Outdoor modular 5G fixed wireless device
Patent Priority Assignee Title
2947957,
3479563,
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188248,
188249,
202045,
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D290456, Dec 27 1983 Marelco Power Systems, Inc. Transformer
D294565, Mar 30 1984 SCHLUMBERGER RESOURCE MANAGEMENT SERVICES, INC Voltage transformer
D324371, Jul 11 1988 Societe pour l'Application de l'Optique et de l'Electronique a la Electric transformer
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Dec 19 2006ABB 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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