Granted Patent
Utility
US 4,549,823 · App. 06/614,498
Bearing race retention device and method
Inventor:
Robert P. Nichting
Patented Case
View Patent ↗
Granted: Oct 29, 1985
Filed: May 29, 1984
Inventor
Robert P. Nichting
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.