Granted Patent
Utility
US 4,395,810 · App. 06/064,385
Method for coating a sodium piping in a fast breeder reactor
Inventors:
Yasuyuki Tsuzawa, Osamu Furukawa, Keibun Harada, Yoichi Uehara
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Aug 8, 1979
Inventors
Yasuyuki Tsuzawa
Osamu Furukawa
Keibun Harada
Yoichi Uehara
Assignees (at issue)
Dohryokuro Kakunenryo Kaihatsujigyodan
Asahi Asbestos 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.