Granted Patent
Utility
US 5,443,853 · App. 08/256,242
Press-on, pry-off closure for microwavable vacuum sealed container
Inventor:
Thomas H. Hayes
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Jul 1, 1994
Inventor
Thomas H. Hayes
Assignee (at issue)
Anchor Packaging, 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.