Granted Patent
Utility
US 5,589,672 · App. 08/477,822
Circuit breaker with arc quenching device and vent
Inventors:
Naoshi Uchida, Masao Miura, Jun Oyama, Katsunori Kuboyama, Koji Asakawa
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Jun 7, 1995
Inventors
Naoshi Uchida
Masao Miura
Jun Oyama
Katsunori Kuboyama
Koji Asakawa
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.