Granted Patent
Utility
US 4,287,732 · App. 06/070,101
Padlock
Inventor:
Richard C. Remington
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Aug 27, 1979
Inventor
Richard C. Remington
Assignee (at issue)
Presto Lock Company, Division of Walter Kidde & Company, 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.