Granted Patent
Utility
US 4,360,122 · App. 06/291,535
Tank cap having sequential engagement and disengagement
Inventor:
Herbert D. Sullivan
Patented Case
View Patent ↗
Granted: Nov 23, 1982
Filed: Aug 10, 1981
Inventor
Herbert D. Sullivan
Assignee (at issue)
International Harvester Company
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.