Granted Patent
Utility
US 4,373,645 · App. 06/248,765
Resilient liner for particulate bulk cargo receptacles
Inventor:
Hugh Boyd
Patented Case
View Patent ↗
Granted: Feb 15, 1983
Filed: Mar 30, 1981
Inventor
Hugh Boyd
Assignee (at issue)
Goodyear Aerospace Corporation
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.