Granted Patent
Utility
US 6,574,295 · App. 09/953,370
Boiling water type nuclear reactor use control rod
Inventors:
Michio Nakayama, Norio Kawashima, Shinobu Okido
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Sep 17, 2001
Inventors
Michio Nakayama
Norio Kawashima
Shinobu Okido
Assignees (at issue)
HITACHI, LTD.
Hitachi Engineering 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.