Transformer
Latest ABB Technology AG Patents:
Description
The broken lines shown represent unclaimed subject matter and form no part of the claimed design.
Claims
We claim the ornamental design for a transformer, as shown and described.
Referenced Cited
U.S. Patent Documents
| 2947957 | August 1960 | Spindler |
| 3028568 | April 1962 | Guglielmo |
| D202045 | August 1965 | Oberlin |
| D259040 | April 28, 1981 | Pierce |
| D290456 | June 23, 1987 | Burgher et al. |
| 4899122 | February 6, 1990 | Sommer |
| D324371 | March 3, 1992 | Patty |
| D433993 | November 21, 2000 | Tang |
| D437824 | February 20, 2001 | Sakai et al. |
| 6185811 | February 13, 2001 | Perry |
| D526273 | August 8, 2006 | Le et al. |
Patent History
Patent number: D644605
Type: Grant
Filed: Mar 25, 2011
Date of Patent: Sep 6, 2011
Assignee: ABB Technology AG (Zurich)
Inventors: Steven A. Shaw (Greenville, NC), Brent J. Ackermann (Reidsville, NC)
Primary Examiner: Stella Reid
Assistant Examiner: Derrick Holland
Attorney: Melissa J. Szczepanik
Application Number: 29/388,189
Type: Grant
Filed: Mar 25, 2011
Date of Patent: Sep 6, 2011
Assignee: ABB Technology AG (Zurich)
Inventors: Steven A. Shaw (Greenville, NC), Brent J. Ackermann (Reidsville, NC)
Primary Examiner: Stella Reid
Assistant Examiner: Derrick Holland
Attorney: Melissa J. Szczepanik
Application Number: 29/388,189
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)