Granted Patent
Utility
US 4,960,562 · App. 07/436,785
Dispersion strengthened ferritic steel cladding tube for nuclear reactor and its production method
Inventors:
Takanari Okuda, Shigeo Nomura, Itaru Shibahara, Yoshinori Tateishi, Susumu Hirano, Hiroshi Teranishi, Masayuki Fujiwara, Toshio Nishida
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: Nov 15, 1989
Inventors
Takanari Okuda
Shigeo Nomura
Itaru Shibahara
Yoshinori Tateishi
Susumu Hirano
Hiroshi Teranishi
Masayuki Fujiwara
Toshio Nishida
Assignees (at issue)
Doryokuro Kakunenryo Kaihatsu Jigyodan
SUMITOMO METAL INDUSTRIES, LTD.
KOBE STEEL, 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.