Granted Patent
Utility
US 6,400,243 · App. 09/775,807
Contact shoe device for circuit breaker
Inventors:
Jun Oyama, Koji Asakawa, Naoshi Uchida
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Feb 5, 2001
Inventors
Jun Oyama
Koji Asakawa
Naoshi Uchida
Assignee (at issue)
FUJI ELECTRIC CO., LTD.
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.