Granted Patent
Utility
US 4,406,501 · App. 06/361,698
Recoil system with guided slide assembly for track-type vehicles
Inventor:
Jon C. Christensen
Patented Case
View Patent ↗
Granted: Sep 27, 1983
Filed: Jan 29, 1982
Inventor
Jon C. Christensen
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.