Granted Patent
Utility
US 6,152,360 · App. 08/979,354
Pour spout carton
Inventors:
Steven J. Block, Christopher Maurer
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Nov 26, 1997
Inventors
Steven J. Block
Christopher Maurer
Assignee (at issue)
Graphic Packaging Corporation
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.