Step-up transformer

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Description

FIG. 1 is a perspective view of the front and right side of a step-up transformer showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for a step-up transformer, as shown.

Referenced Cited
U.S. Patent Documents
3056893 October 1962 Russ
D199567 November 1964 Moore
D261640 November 3, 1981 Alber et al.
D289033 March 31, 1987 Makinson et al.
D339323 September 14, 1993 Burgher et al.
D392940 March 31, 1998 Shen
D433993 November 21, 2000 Tang
D433995 November 21, 2000 Romano
Patent History
Patent number: D597942
Type: Grant
Filed: Dec 31, 2008
Date of Patent: Aug 11, 2009
Assignee: Kabushiki Kaisha Audio-Technica (Tokyo)
Inventor: Yosuke Koizumi (Machida)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Derrick Holland
Attorney: Sughrue Mion, PLLC
Application Number: 29/330,228
Classifications
Current U.S. Class: Transformer, Rectifier Or Casing Therefor (3) (D13/110)