Granted Patent
Utility
US 5,258,191 · App. 07/820,445
Vacuum-sealed food container having press-on, pry-off closure
Inventor:
Thomas H. Hayes
Patented Case
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Granted: Nov 2, 1993
Filed: Jan 13, 1992
Inventor
Thomas H. Hayes
Assignee (at issue)
ANCHOR HOCKING, LLC
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.