IP Library Granted Patent US 5,640,435
Granted Patent Utility
US 5,640,435 · App. 08/214,760

Fuel assembly and nuclear reactor

Inventors: Hideki Kurosaki, Junjiro Nakajima, Hajime Umehara, Shozo Nakamura, Satoshi Kanno, Koji Nishida, Yasunori Bessho, Masahisa Inagaki, Osamu Yokomizo, Yuichiro Yoshimoto
Patented Case View Patent ↗
Granted: Jun 17, 1997 Filed: Mar 18, 1994
Inventors
Hideki Kurosaki
Junjiro Nakajima
Hajime Umehara
Shozo Nakamura
Satoshi Kanno
Koji Nishida
Yasunori Bessho
Masahisa Inagaki
Osamu Yokomizo
Yuichiro Yoshimoto
Assignee (at issue)
HITACHI, 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,640,435
App. No.
08/214,760
Filed
1994-03-18
Granted
1997-06-17
Kind
A