Granted Patent
Utility
US 4,711,390 · App. 06/868,131
Collapsible box for trash compacting system
Inventors:
Kenneth E. Andrews, Gary Weingardt, James L. Durbin
Patented Case
View Patent ↗
Granted: Dec 8, 1987
Filed: May 28, 1986
Inventors
Kenneth E. Andrews
Gary Weingardt
James L. Durbin
Assignee (at issue)
A.K.G.S.
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.