Granted Patent
Utility
US 4,690,610 · App. 06/855,866
Lift mast transport arrangement
Inventor:
James R. Fotheringham
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Apr 24, 1986
Inventor
James R. Fotheringham
Assignee (at issue)
Caterpillar Industrial Inc.
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.