Granted Patent
Utility
US 4,072,245 · App. 05/706,051
Filler neck cap with O-ring seal
Inventor:
Paul H. Sloan, Jr.
Patented Case
View Patent ↗
Granted: Feb 7, 1978
Filed: Jul 16, 1976
Inventor
Paul H. Sloan, Jr.
Assignee (at issue)
Stant Manufacturing 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.