Granted Patent
Utility
US 6,296,471 · App. 09/139,539
Mold used to form a footed container and base therefor
Inventors:
Jizu J. Cheng, Jeffrey D. Krich
Patented Case
View Patent ↗
Granted: Oct 2, 2001
Filed: Aug 25, 1998
Inventors
Jizu J. Cheng
Jeffrey D. Krich
Assignee (at issue)
Crown Cork & Seal Technologies 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.