Granted Patent
Utility
US 4,523,397 · App. 06/574,794
High strength bucket
Inventor:
Victor Lucas
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Jan 27, 1984
Inventor
Victor Lucas
Assignee (at issue)
Caterpillar Tractor Co.
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.