Granted Patent
Utility
US 4,461,392 · App. 06/390,803
Threaded plastic bottle cap
Inventor:
Vincent N. Conti
Patented Case
View Patent ↗
Granted: Jul 24, 1984
Filed: Jun 22, 1982
Inventor
Vincent N. Conti
Assignee (at issue)
American Safety Closure Corp.
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.