IP Library › Granted Patent US 674,341
Granted Patent S1
US 674,341 · App. 29/427,356 · Granted Jan 15, 2013

Electrical transformer

Inventors: Sigurdur Thorsteinsson (Milan, IT); Egil Stryken (Solbergelva, NO); Richard Tinggren (Thalwil, CH)
Assignee: ABB Technology AG
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Quick Facts
Patent No.
US 674,341
App. No.
29/427,356
Granted
Jan 15, 2013
Kind
S1
Claims (1)

The ornamental design for an electrical transformer, as shown and described.

Assignments (1)
MERGER Recorded Nov 15, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 040621/0633 →
Priority Claims (1)
EM 000102397 · Nov 12, 2003 · regional
Continuity (9)
Division 29414764 · Mar 2, 2012
Division 29385962 · Feb 23, 2011
Division 29366251 · Jul 22, 2010
Division 29356632 · Mar 1, 2010
Division 29336557 · May 5, 2009
Division 29317370 · Apr 29, 2008
Division 29282093 · Jul 11, 2007
Division 29275256 · Dec 19, 2006
Division 29204775 · May 5, 2004