Granted Patent
Utility
US 5,726,408 · App. 08/485,560
Weld backing ring for nozzle repairs
Inventor:
Arvid D. Easterday
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Jun 7, 1995
Inventor
Arvid D. Easterday
Assignee (at issue)
The Babcock & Wilcox Company
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.