Granted Patent
Utility
US 6,250,514 · App. 09/454,790
Container for storing and discharging particulate material, in particular pulp chips
Inventor:
Stefan Hansson
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Dec 3, 1999
Inventor
Stefan Hansson
Assignee (at issue)
Kvaerner Pulping AB
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.