Granted Patent
Utility
US 4,479,489 · App. 06/477,597
Mechanically self-sealing closure
Inventor:
Charles A. Tucci
Patented Case
View Patent ↗
Granted: Oct 30, 1984
Filed: Mar 28, 1983
Inventor
Charles A. Tucci
Assignee (at issue)
CORDIS 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.