Granted Patent
Utility
US 4,618,121 · App. 06/640,899
Mold for forming plastic cap with perforation about the periphery of the skirt
Inventor:
Vincent N. Conti
Patented Case
View Patent ↗
Granted: Oct 21, 1986
Filed: Aug 15, 1984
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.