Granted Patent
Utility
US 4,322,012 · App. 06/148,555
Threaded plastic bottle cap
Inventor:
Vincent N. Conti
Patented Case
View Patent ↗
Granted: Mar 30, 1982
Filed: May 9, 1980
Inventor
Vincent N. Conti
Assignee (at issue)
Dairy Cap 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.