Granted Patent
Utility
US 4,317,601 · App. 06/135,693
Polymer cage for a tapered roller bearing
Inventor:
Charles W. Faigley, Jr.
Patented Case
View Patent ↗
Granted: Mar 2, 1982
Filed: Mar 31, 1980
Inventor
Charles W. Faigley, Jr.
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.