Electrical transformer
Latest ABB Technology AG Patents:
Description
Claims
The ornamental design for an electrical transformer, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
2325470 | July 1943 | Bonanno et al. |
D188248 | June 1960 | Albright et al. |
D188249 | June 1960 | Albright et al. |
2947957 | August 1960 | Spindler |
D202045 | August 1965 | Oberlin |
3479563 | November 1969 | Roy |
4027279 | May 31, 1977 | Shigehara et al. |
D254846 | April 29, 1980 | Wood |
D257342 | October 14, 1980 | Payne |
D259040 | April 28, 1981 | Pierce |
D290456 | June 23, 1987 | Burgher et al. |
D348868 | July 19, 1994 | Terlop et al. |
6185811 | February 13, 2001 | Perry et al. |
- ABB Inc., Power Transformers, 2003, 11 pgs.
- ASA Trafobau GMBH, 24 pgs., date unknown.
- Koncar-Distributivni I Specijalni Transformatori d.d., Power Transformers, (3,2) V 01, 8 pgs., date unknown.
- SGB Starkstrom and SMIT Transformers, Partners in Power, 6 pgs.
- MF Transformatori srl, Oil Filled Transformer, 14 pgs., date unknown.
Patent History
Patent number: D570282
Type: Grant
Filed: Jul 11, 2007
Date of Patent: Jun 3, 2008
Assignee: ABB Technology AG
Inventors: Sigurdur Thorsteinsson (Milan), Egil Stryken (Solbergelva), Richard Tinggren (Thalwil)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Connolly Bove Lodge & Hutz LLP
Application Number: 29/282,093
Type: Grant
Filed: Jul 11, 2007
Date of Patent: Jun 3, 2008
Assignee: ABB Technology AG
Inventors: Sigurdur Thorsteinsson (Milan), Egil Stryken (Solbergelva), Richard Tinggren (Thalwil)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Connolly Bove Lodge & Hutz LLP
Application Number: 29/282,093
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)