Granted Patent
Utility
US 4,940,462 · App. 07/160,739
Sanitary napkin with expandable flaps
Inventor:
Catherine E. Salerno
Patented Case
View Patent ↗
Granted: Jul 10, 1990
Filed: Feb 26, 1988
Inventor
Catherine E. Salerno
Assignee (at issue)
McNeil-PPC, Inc.
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.