Granted Patent
Utility
US 6,288,625 · App. 08/496,186
Current transformer for a metal-enclosed gas-insulated high-voltage installation
Inventor:
Andrzej Kaczkowski
Patented Case
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Granted: Sep 11, 2001
Filed: Jun 28, 1995
Inventor
Andrzej Kaczkowski
Assignee (at issue)
Asea Brown Boveri, S.A.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.