Granted Patent
Utility
US 5,167,680 · App. 07/842,254
Vacuum cleaner bag assembly
Inventor:
John Gardner
Patented Case
View Patent ↗
Granted: Dec 1, 1992
Filed: Feb 27, 1992
Inventor
John Gardner
Assignee (at issue)
Figgie Inernational Inc.
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.