Granted Patent
Utility
US 4,497,431 · App. 06/336,675
Container structure
Inventor:
James E. Fay
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Jan 4, 1982
Inventor
James E. Fay
Assignee (at issue)
James River-Norwalk
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.