Granted Patent
Utility
US 4,304,355 · App. 06/229,725
Container assembly for ice-cream products
Inventor:
John M. Sykora
Patented Case
View Patent ↗
Granted: Dec 8, 1981
Filed: Jan 29, 1981
Inventor
John M. Sykora
Assignee (at issue)
Field Container Company, LP.
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.