Three-phase ring transformer core
Description
The FIGURE is a perspective view of a three-phase ring transformer core showing my new design.
Claims
The ornamental design for a three-phase ring transformer core, as shown and described.
Referenced Cited
Patent History
Patent number: D454839
Type: Grant
Filed: Sep 2, 1998
Date of Patent: Mar 26, 2002
Inventor: Lennart Harry Erik Höglund (S-589 23 Linköping)
Primary Examiner: Joel Sincavage
Attorney, Agent or Law Firms: D. Peter Hochberg, Katherine R. Vieyra, William H. Holt
Application Number: 29/093,087
Type: Grant
Filed: Sep 2, 1998
Date of Patent: Mar 26, 2002
Inventor: Lennart Harry Erik Höglund (S-589 23 Linköping)
Primary Examiner: Joel Sincavage
Attorney, Agent or Law Firms: D. Peter Hochberg, Katherine R. Vieyra, William H. Holt
Application Number: 29/093,087
Classifications