Granted Patent
Utility
US 4,714,499 · App. 06/913,939
Full length forging method for producing large section, large mass cylindrical sleeves of alloy 625
Inventor:
Ashok K. Khare
Patented Case
View Patent ↗
Granted: Dec 22, 1987
Filed: Oct 1, 1986
Inventor
Ashok K. Khare
Assignee (at issue)
National Forge 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.