Granted Patent
Utility
US 4,043,474 · App. 05/697,289
Child resistant closure for a container
Inventor:
William Fredrick Glasgow McCord
Patented Case
View Patent ↗
Granted: Aug 23, 1977
Filed: Jun 17, 1976
Inventor
William Fredrick Glasgow McCord
Assignee (at issue)
Amerimas Home Products, 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.