Granted Patent
Utility
US 4,574,951 · App. 06/682,150
Reclosable package
Inventor:
Sherry M. Weaver
Patented Case
View Patent ↗
Granted: Mar 11, 1986
Filed: Dec 17, 1984
Inventor
Sherry M. Weaver
Assignee (at issue)
Champion International Corporation Limited
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.