Granted Patent
Utility
US 5,313,631 · App. 07/703,561
Dual threshold system for immediate or delayed scheduled migration of computer data files
Inventor:
Ping Kao
Patented Case
View Patent ↗
Granted: May 17, 1994
Filed: May 21, 1991
Inventor
Ping Kao
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.