Current transformer frame
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Description
The broken lines in the various views are for illustrative purposes only, and form no part of the claimed design.
Claims
We claim the ornamental design for a current transformer frame, as shown and described.
Referenced Cited
U.S. Patent Documents
D104627 | May 1937 | Hitchcock et al. |
D112755 | December 1938 | Marschall |
3264591 | August 1966 | D'Entremont |
4234865 | November 18, 1980 | Shigehara |
4868532 | September 19, 1989 | Ehrenhalt et al. |
5363079 | November 8, 1994 | Zawada et al. |
D390825 | February 17, 1998 | Chen |
D532747 | November 28, 2006 | Ricci et al. |
20030034332 | February 20, 2003 | Maulandi et al. |
Patent History
Patent number: D550618
Type: Grant
Filed: Nov 2, 2006
Date of Patent: Sep 11, 2007
Assignee: Power Measurement, Ltd. (Saanichton, BC)
Inventors: Marc A. Ricci (Victoria), Colin N. Gunn (Victoria)
Primary Examiner: Stella Reid
Assistant Examiner: Derrick Holland
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/268,325
Type: Grant
Filed: Nov 2, 2006
Date of Patent: Sep 11, 2007
Assignee: Power Measurement, Ltd. (Saanichton, BC)
Inventors: Marc A. Ricci (Victoria), Colin N. Gunn (Victoria)
Primary Examiner: Stella Reid
Assistant Examiner: Derrick Holland
Attorney: Brinks Hofer Gilson & Lione
Application Number: 29/268,325
Classifications
Current U.S. Class:
Transformer, Rectifier Or Casing Therefor (3) (D13/110)