Granted Patent
Utility
US 5,893,513 · App. 08/880,948
Two-piece paperboard container with pour spout
Inventors:
James L. Stone, Thomas J. Brink
Patented Case
View Patent ↗
Granted: Apr 13, 1999
Filed: Jun 23, 1997
Inventors
James L. Stone
Thomas J. Brink
Assignee (at issue)
Tenneco Packaging 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.