Current transformer frame
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)