Granted Patent
Utility
US 4,601,592 · App. 06/578,025
Tapered roller bearing capable of sustained operation without lubricant replenishment
Inventors:
Chester F. Jatczak, Peter Wung Lee, Peter S. Orvos
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Feb 8, 1984
Inventors
Chester F. Jatczak
Peter Wung Lee
Peter S. Orvos
Assignee (at issue)
THE TIMKEN COMPANY
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.