Granted Patent
Utility
US 5,987,464 · App. 08/900,437
Method and system for periodically updating data records having an expiry time
Inventor:
Eric Schneider
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Jul 25, 1997
Inventor
Eric Schneider
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.